Home / 725,094.60-1,087,641.90-425,718.60

Finding the Fourth Proportional to 725,094.60, 1,087,641.90 and 425,718.60

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Solution

The fourth proportional to 725,094.60, 1,087,641.90 and 425,718.60 is: 638,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,094.60 : 1,087,641.90 = 425,718.60 : x
  2. Step 2: Convert to fraction form
    725,094.60/1,087,641.90 = 425,718.60/x
  3. Step 3: Cross multiply
    725,094.60x = 1,087,641.90 × 425,718.60
  4. Step 4: Simplify right side
    725,094.60x = 463,029,386,969.34
  5. Step 5: Solve for x
    x = 463,029,386,969.34/725,094.60
  6. Step 6: Final answer
    x = 638,577.90

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Similar ratio
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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.