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Finding the Fourth Proportional to 616,808.80, 924,349.20 and 490,664.80

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Solution

The fourth proportional to 616,808.80, 924,349.20 and 490,664.80 is: 735,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,808.80 : 924,349.20 = 490,664.80 : x
  2. Step 2: Convert to fraction form
    616,808.80/924,349.20 = 490,664.80/x
  3. Step 3: Cross multiply
    616,808.80x = 924,349.20 × 490,664.80
  4. Step 4: Simplify right side
    616,808.80x = 453,545,615,348.16
  5. Step 5: Solve for x
    x = 453,545,615,348.16/616,808.80
  6. Step 6: Final answer
    x = 735,309.90

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1.5x scale

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.