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Finding the Fourth Proportional to 539,670.86, 744,730.94 and 297,949.04

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Solution

The fourth proportional to 539,670.86, 744,730.94 and 297,949.04 is: 411,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,670.86 : 744,730.94 = 297,949.04 : x
  2. Step 2: Convert to fraction form
    539,670.86/744,730.94 = 297,949.04/x
  3. Step 3: Cross multiply
    539,670.86x = 744,730.94 × 297,949.04
  4. Step 4: Simplify right side
    539,670.86x = 221,891,868,631.30
  5. Step 5: Solve for x
    x = 221,891,868,631.30/539,670.86
  6. Step 6: Final answer
    x = 411,161.48

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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.