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Finding the Fourth Proportional to 539,897.30, 808,679.55 and 446,585.30

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Solution

The fourth proportional to 539,897.30, 808,679.55 and 446,585.30 is: 668,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,897.30 : 808,679.55 = 446,585.30 : x
  2. Step 2: Convert to fraction form
    539,897.30/808,679.55 = 446,585.30/x
  3. Step 3: Cross multiply
    539,897.30x = 808,679.55 × 446,585.30
  4. Step 4: Simplify right side
    539,897.30x = 361,144,399,440.62
  5. Step 5: Solve for x
    x = 361,144,399,440.62/539,897.30
  6. Step 6: Final answer
    x = 668,913.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.