Home / 750,956.52-1,126,779.21-409,505.70

Finding the Fourth Proportional to 750,956.52, 1,126,779.21 and 409,505.70

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Solution

The fourth proportional to 750,956.52, 1,126,779.21 and 409,505.70 is: 614,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,956.52 : 1,126,779.21 = 409,505.70 : x
  2. Step 2: Convert to fraction form
    750,956.52/1,126,779.21 = 409,505.70/x
  3. Step 3: Cross multiply
    750,956.52x = 1,126,779.21 × 409,505.70
  4. Step 4: Simplify right side
    750,956.52x = 461,422,509,136.50
  5. Step 5: Solve for x
    x = 461,422,509,136.50/750,956.52
  6. Step 6: Final answer
    x = 614,446.37

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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.