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Finding the Fourth Proportional to 586,389.12, 808,834.20 and 371,304.96

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Solution

The fourth proportional to 586,389.12, 808,834.20 and 371,304.96 is: 512,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,389.12 : 808,834.20 = 371,304.96 : x
  2. Step 2: Convert to fraction form
    586,389.12/808,834.20 = 371,304.96/x
  3. Step 3: Cross multiply
    586,389.12x = 808,834.20 × 371,304.96
  4. Step 4: Simplify right side
    586,389.12x = 300,324,150,277.63
  5. Step 5: Solve for x
    x = 300,324,150,277.63/586,389.12
  6. Step 6: Final answer
    x = 512,158.46

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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.