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Finding the Fourth Proportional to 616,762.80, 924,706.80 and 279,964.80

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Solution

The fourth proportional to 616,762.80, 924,706.80 and 279,964.80 is: 419,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,762.80 : 924,706.80 = 279,964.80 : x
  2. Step 2: Convert to fraction form
    616,762.80/924,706.80 = 279,964.80/x
  3. Step 3: Cross multiply
    616,762.80x = 924,706.80 × 279,964.80
  4. Step 4: Simplify right side
    616,762.80x = 258,885,354,320.64
  5. Step 5: Solve for x
    x = 258,885,354,320.64/616,762.80
  6. Step 6: Final answer
    x = 419,748.65

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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.