Home / 725,093.10-1,087,639.65-425,717.10

Finding the Fourth Proportional to 725,093.10, 1,087,639.65 and 425,717.10

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Solution

The fourth proportional to 725,093.10, 1,087,639.65 and 425,717.10 is: 638,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,093.10 : 1,087,639.65 = 425,717.10 : x
  2. Step 2: Convert to fraction form
    725,093.10/1,087,639.65 = 425,717.10/x
  3. Step 3: Cross multiply
    725,093.10x = 1,087,639.65 × 425,717.10
  4. Step 4: Simplify right side
    725,093.10x = 463,026,797,643.02
  5. Step 5: Solve for x
    x = 463,026,797,643.02/725,093.10
  6. Step 6: Final answer
    x = 638,575.65

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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.