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Finding the Fourth Proportional to 586,389.48, 809,304.31 and 371,549.53

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Solution

The fourth proportional to 586,389.48, 809,304.31 and 371,549.53 is: 512,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,389.48 : 809,304.31 = 371,549.53 : x
  2. Step 2: Convert to fraction form
    586,389.48/809,304.31 = 371,549.53/x
  3. Step 3: Cross multiply
    586,389.48x = 809,304.31 × 371,549.53
  4. Step 4: Simplify right side
    586,389.48x = 300,696,636,007.47
  5. Step 5: Solve for x
    x = 300,696,636,007.47/586,389.48
  6. Step 6: Final answer
    x = 512,793.37

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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.