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Finding the Fourth Proportional to 616,590.60, 924,011.10 and 455,408.70

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Solution

The fourth proportional to 616,590.60, 924,011.10 and 455,408.70 is: 682,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,590.60 : 924,011.10 = 455,408.70 : x
  2. Step 2: Convert to fraction form
    616,590.60/924,011.10 = 455,408.70/x
  3. Step 3: Cross multiply
    616,590.60x = 924,011.10 × 455,408.70
  4. Step 4: Simplify right side
    616,590.60x = 420,802,693,836.57
  5. Step 5: Solve for x
    x = 420,802,693,836.57/616,590.60
  6. Step 6: Final answer
    x = 682,466.93

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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.