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Finding the Fourth Proportional to 501,515.63, 752,394.98 and 288,419.93

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Solution

The fourth proportional to 501,515.63, 752,394.98 and 288,419.93 is: 432,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,515.63 : 752,394.98 = 288,419.93 : x
  2. Step 2: Convert to fraction form
    501,515.63/752,394.98 = 288,419.93/x
  3. Step 3: Cross multiply
    501,515.63x = 752,394.98 × 288,419.93
  4. Step 4: Simplify right side
    501,515.63x = 217,005,704,423.03
  5. Step 5: Solve for x
    x = 217,005,704,423.03/501,515.63
  6. Step 6: Final answer
    x = 432,699.79

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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.