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Finding the Fourth Proportional to 491,683.72, 737,875.52 and 379,476.04

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Solution

The fourth proportional to 491,683.72, 737,875.52 and 379,476.04 is: 569,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,683.72 : 737,875.52 = 379,476.04 : x
  2. Step 2: Convert to fraction form
    491,683.72/737,875.52 = 379,476.04/x
  3. Step 3: Cross multiply
    491,683.72x = 737,875.52 × 379,476.04
  4. Step 4: Simplify right side
    491,683.72x = 280,006,080,342.54
  5. Step 5: Solve for x
    x = 280,006,080,342.54/491,683.72
  6. Step 6: Final answer
    x = 569,484.14

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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.