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Finding the Fourth Proportional to 487,066.06, 730,718.01 and 343,252.43

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Solution

The fourth proportional to 487,066.06, 730,718.01 and 343,252.43 is: 514,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,066.06 : 730,718.01 = 343,252.43 : x
  2. Step 2: Convert to fraction form
    487,066.06/730,718.01 = 343,252.43/x
  3. Step 3: Cross multiply
    487,066.06x = 730,718.01 × 343,252.43
  4. Step 4: Simplify right side
    487,066.06x = 250,820,735,774.16
  5. Step 5: Solve for x
    x = 250,820,735,774.16/487,066.06
  6. Step 6: Final answer
    x = 514,962.46

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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.