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Finding the Fourth Proportional to 634,640.49, 951,756.62 and 334,948.59

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Solution

The fourth proportional to 634,640.49, 951,756.62 and 334,948.59 is: 502,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,640.49 : 951,756.62 = 334,948.59 : x
  2. Step 2: Convert to fraction form
    634,640.49/951,756.62 = 334,948.59/x
  3. Step 3: Cross multiply
    634,640.49x = 951,756.62 × 334,948.59
  4. Step 4: Simplify right side
    634,640.49x = 318,789,536,217.42
  5. Step 5: Solve for x
    x = 318,789,536,217.42/634,640.49
  6. Step 6: Final answer
    x = 502,315.16

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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.