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Finding the Fourth Proportional to 616,594.60, 924,017.10 and 455,412.70

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Solution

The fourth proportional to 616,594.60, 924,017.10 and 455,412.70 is: 682,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,594.60 : 924,017.10 = 455,412.70 : x
  2. Step 2: Convert to fraction form
    616,594.60/924,017.10 = 455,412.70/x
  3. Step 3: Cross multiply
    616,594.60x = 924,017.10 × 455,412.70
  4. Step 4: Simplify right side
    616,594.60x = 420,809,122,357.17
  5. Step 5: Solve for x
    x = 420,809,122,357.17/616,594.60
  6. Step 6: Final answer
    x = 682,472.93

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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.