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Finding the Fourth Proportional to 688,759.50, 950,059.20 and 473,525.91

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Solution

The fourth proportional to 688,759.50, 950,059.20 and 473,525.91 is: 653,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,759.50 : 950,059.20 = 473,525.91 : x
  2. Step 2: Convert to fraction form
    688,759.50/950,059.20 = 473,525.91/x
  3. Step 3: Cross multiply
    688,759.50x = 950,059.20 × 473,525.91
  4. Step 4: Simplify right side
    688,759.50x = 449,877,647,233.87
  5. Step 5: Solve for x
    x = 449,877,647,233.87/688,759.50
  6. Step 6: Final answer
    x = 653,170.88

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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.