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Finding the Fourth Proportional to 662,812.50, 914,683.08 and 376,377.47

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Solution

The fourth proportional to 662,812.50, 914,683.08 and 376,377.47 is: 519,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,812.50 : 914,683.08 = 376,377.47 : x
  2. Step 2: Convert to fraction form
    662,812.50/914,683.08 = 376,377.47/x
  3. Step 3: Cross multiply
    662,812.50x = 914,683.08 × 376,377.47
  4. Step 4: Simplify right side
    662,812.50x = 344,266,098,928.79
  5. Step 5: Solve for x
    x = 344,266,098,928.79/662,812.50
  6. Step 6: Final answer
    x = 519,401.94

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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.