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Finding the Fourth Proportional to 673,492.32, 929,476.08 and 371,748.96

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Solution

The fourth proportional to 673,492.32, 929,476.08 and 371,748.96 is: 513,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,492.32 : 929,476.08 = 371,748.96 : x
  2. Step 2: Convert to fraction form
    673,492.32/929,476.08 = 371,748.96/x
  3. Step 3: Cross multiply
    673,492.32x = 929,476.08 × 371,748.96
  4. Step 4: Simplify right side
    673,492.32x = 345,531,766,084.88
  5. Step 5: Solve for x
    x = 345,531,766,084.88/673,492.32
  6. Step 6: Final answer
    x = 513,044.85

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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.