Home / 725,091.28-1,001,108.04-453,568.72

Finding the Fourth Proportional to 725,091.28, 1,001,108.04 and 453,568.72

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Solution

The fourth proportional to 725,091.28, 1,001,108.04 and 453,568.72 is: 626,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,091.28 : 1,001,108.04 = 453,568.72 : x
  2. Step 2: Convert to fraction form
    725,091.28/1,001,108.04 = 453,568.72/x
  3. Step 3: Cross multiply
    725,091.28x = 1,001,108.04 × 453,568.72
  4. Step 4: Simplify right side
    725,091.28x = 454,071,292,284.51
  5. Step 5: Solve for x
    x = 454,071,292,284.51/725,091.28
  6. Step 6: Final answer
    x = 626,226.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.