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Finding the Fourth Proportional to 669,897.30, 924,459.38 and 363,974.88

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Solution

The fourth proportional to 669,897.30, 924,459.38 and 363,974.88 is: 502,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,897.30 : 924,459.38 = 363,974.88 : x
  2. Step 2: Convert to fraction form
    669,897.30/924,459.38 = 363,974.88/x
  3. Step 3: Cross multiply
    669,897.30x = 924,459.38 × 363,974.88
  4. Step 4: Simplify right side
    669,897.30x = 336,479,990,080.50
  5. Step 5: Solve for x
    x = 336,479,990,080.50/669,897.30
  6. Step 6: Final answer
    x = 502,285.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.