Home / 525,122.80-787,684.20-497,474.80

Finding the Fourth Proportional to 525,122.80, 787,684.20 and 497,474.80

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Solution

The fourth proportional to 525,122.80, 787,684.20 and 497,474.80 is: 746,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,122.80 : 787,684.20 = 497,474.80 : x
  2. Step 2: Convert to fraction form
    525,122.80/787,684.20 = 497,474.80/x
  3. Step 3: Cross multiply
    525,122.80x = 787,684.20 × 497,474.80
  4. Step 4: Simplify right side
    525,122.80x = 391,853,039,858.16
  5. Step 5: Solve for x
    x = 391,853,039,858.16/525,122.80
  6. Step 6: Final answer
    x = 746,212.20

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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.