Home / 749,123.20-1,123,684.80-497,180.80

Finding the Fourth Proportional to 749,123.20, 1,123,684.80 and 497,180.80

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Solution

The fourth proportional to 749,123.20, 1,123,684.80 and 497,180.80 is: 745,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,123.20 : 1,123,684.80 = 497,180.80 : x
  2. Step 2: Convert to fraction form
    749,123.20/1,123,684.80 = 497,180.80/x
  3. Step 3: Cross multiply
    749,123.20x = 1,123,684.80 × 497,180.80
  4. Step 4: Simplify right side
    749,123.20x = 558,674,507,811.84
  5. Step 5: Solve for x
    x = 558,674,507,811.84/749,123.20
  6. Step 6: Final answer
    x = 745,771.20

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Half scale
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Double scale
Find fourth proportional to 749,124.20, 1,123,686.30 and 497,181.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.