Home / 539,098.18-743,946.24-297,403.90

Finding the Fourth Proportional to 539,098.18, 743,946.24 and 297,403.90

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Solution

The fourth proportional to 539,098.18, 743,946.24 and 297,403.90 is: 410,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,098.18 : 743,946.24 = 297,403.90 : x
  2. Step 2: Convert to fraction form
    539,098.18/743,946.24 = 297,403.90/x
  3. Step 3: Cross multiply
    539,098.18x = 743,946.24 × 297,403.90
  4. Step 4: Simplify right side
    539,098.18x = 221,252,513,166.34
  5. Step 5: Solve for x
    x = 221,252,513,166.34/539,098.18
  6. Step 6: Final answer
    x = 410,412.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.