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Finding the Fourth Proportional to 584,209.88, 806,209.63 and 315,937.88

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Solution

The fourth proportional to 584,209.88, 806,209.63 and 315,937.88 is: 435,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,209.88 : 806,209.63 = 315,937.88 : x
  2. Step 2: Convert to fraction form
    584,209.88/806,209.63 = 315,937.88/x
  3. Step 3: Cross multiply
    584,209.88x = 806,209.63 × 315,937.88
  4. Step 4: Simplify right side
    584,209.88x = 254,712,156,516.89
  5. Step 5: Solve for x
    x = 254,712,156,516.89/584,209.88
  6. Step 6: Final answer
    x = 435,994.27

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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.