Home / 725,008.40-1,087,512.60-606,910.40

Finding the Fourth Proportional to 725,008.40, 1,087,512.60 and 606,910.40

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Solution

The fourth proportional to 725,008.40, 1,087,512.60 and 606,910.40 is: 910,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,008.40 : 1,087,512.60 = 606,910.40 : x
  2. Step 2: Convert to fraction form
    725,008.40/1,087,512.60 = 606,910.40/x
  3. Step 3: Cross multiply
    725,008.40x = 1,087,512.60 × 606,910.40
  4. Step 4: Simplify right side
    725,008.40x = 660,022,707,071.04
  5. Step 5: Solve for x
    x = 660,022,707,071.04/725,008.40
  6. Step 6: Final answer
    x = 910,365.60

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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.