Home / 749,161.20-1,123,741.80-497,218.80

Finding the Fourth Proportional to 749,161.20, 1,123,741.80 and 497,218.80

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Solution

The fourth proportional to 749,161.20, 1,123,741.80 and 497,218.80 is: 745,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,161.20 : 1,123,741.80 = 497,218.80 : x
  2. Step 2: Convert to fraction form
    749,161.20/1,123,741.80 = 497,218.80/x
  3. Step 3: Cross multiply
    749,161.20x = 1,123,741.80 × 497,218.80
  4. Step 4: Simplify right side
    749,161.20x = 558,745,549,305.84
  5. Step 5: Solve for x
    x = 558,745,549,305.84/749,161.20
  6. Step 6: Final answer
    x = 745,828.20

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Double scale
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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.