Home / 725,793.40-1,087,815.30-370,624.60

Finding the Fourth Proportional to 725,793.40, 1,087,815.30 and 370,624.60

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Solution

The fourth proportional to 725,793.40, 1,087,815.30 and 370,624.60 is: 555,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,793.40 : 1,087,815.30 = 370,624.60 : x
  2. Step 2: Convert to fraction form
    725,793.40/1,087,815.30 = 370,624.60/x
  3. Step 3: Cross multiply
    725,793.40x = 1,087,815.30 × 370,624.60
  4. Step 4: Simplify right side
    725,793.40x = 403,171,110,436.38
  5. Step 5: Solve for x
    x = 403,171,110,436.38/725,793.40
  6. Step 6: Final answer
    x = 555,490.19

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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.