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Finding the Fourth Proportional to 586,073, 808,780.74 and 317,801

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Solution

The fourth proportional to 586,073, 808,780.74 and 317,801 is: 438,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,073 : 808,780.74 = 317,801 : x
  2. Step 2: Convert to fraction form
    586,073/808,780.74 = 317,801/x
  3. Step 3: Cross multiply
    586,073x = 808,780.74 × 317,801
  4. Step 4: Simplify right side
    586,073x = 257,031,327,952.74
  5. Step 5: Solve for x
    x = 257,031,327,952.74/586,073
  6. Step 6: Final answer
    x = 438,565.38

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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.