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Finding the Fourth Proportional to 602,349.54, 831,227.15 and 344,210.07

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Solution

The fourth proportional to 602,349.54, 831,227.15 and 344,210.07 is: 475,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,349.54 : 831,227.15 = 344,210.07 : x
  2. Step 2: Convert to fraction form
    602,349.54/831,227.15 = 344,210.07/x
  3. Step 3: Cross multiply
    602,349.54x = 831,227.15 × 344,210.07
  4. Step 4: Simplify right side
    602,349.54x = 286,116,755,474.24
  5. Step 5: Solve for x
    x = 286,116,755,474.24/602,349.54
  6. Step 6: Final answer
    x = 475,001.20

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1.5x scale

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.