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Finding the Fourth Proportional to 653,580.26, 981,209.98 and 503,915.62

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Solution

The fourth proportional to 653,580.26, 981,209.98 and 503,915.62 is: 756,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,580.26 : 981,209.98 = 503,915.62 : x
  2. Step 2: Convert to fraction form
    653,580.26/981,209.98 = 503,915.62/x
  3. Step 3: Cross multiply
    653,580.26x = 981,209.98 × 503,915.62
  4. Step 4: Simplify right side
    653,580.26x = 494,447,035,421.89
  5. Step 5: Solve for x
    x = 494,447,035,421.89/653,580.26
  6. Step 6: Final answer
    x = 756,520.76

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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.