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Finding the Fourth Proportional to 539,689.74, 744,751.59 and 297,967.02

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Solution

The fourth proportional to 539,689.74, 744,751.59 and 297,967.02 is: 411,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,689.74 : 744,751.59 = 297,967.02 : x
  2. Step 2: Convert to fraction form
    539,689.74/744,751.59 = 297,967.02/x
  3. Step 3: Cross multiply
    539,689.74x = 744,751.59 × 297,967.02
  4. Step 4: Simplify right side
    539,689.74x = 221,911,411,912.56
  5. Step 5: Solve for x
    x = 221,911,411,912.56/539,689.74
  6. Step 6: Final answer
    x = 411,183.31

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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.