Home / 553,742.20-829,957.20-497,317.60

Finding the Fourth Proportional to 553,742.20, 829,957.20 and 497,317.60

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Solution

The fourth proportional to 553,742.20, 829,957.20 and 497,317.60 is: 745,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,742.20 : 829,957.20 = 497,317.60 : x
  2. Step 2: Convert to fraction form
    553,742.20/829,957.20 = 497,317.60/x
  3. Step 3: Cross multiply
    553,742.20x = 829,957.20 × 497,317.60
  4. Step 4: Simplify right side
    553,742.20x = 412,752,322,806.72
  5. Step 5: Solve for x
    x = 412,752,322,806.72/553,742.20
  6. Step 6: Final answer
    x = 745,387.15

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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.