Home / 725,150.40-1,087,725.60-617,841.60

Finding the Fourth Proportional to 725,150.40, 1,087,725.60 and 617,841.60

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Solution

The fourth proportional to 725,150.40, 1,087,725.60 and 617,841.60 is: 926,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,150.40 : 1,087,725.60 = 617,841.60 : x
  2. Step 2: Convert to fraction form
    725,150.40/1,087,725.60 = 617,841.60/x
  3. Step 3: Cross multiply
    725,150.40x = 1,087,725.60 × 617,841.60
  4. Step 4: Simplify right side
    725,150.40x = 672,042,125,064.96
  5. Step 5: Solve for x
    x = 672,042,125,064.96/725,150.40
  6. Step 6: Final answer
    x = 926,762.40

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1.5x scale

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.