Home / 725,386.12-1,001,033.30-403,126.20

Finding the Fourth Proportional to 725,386.12, 1,001,033.30 and 403,126.20

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Solution

The fourth proportional to 725,386.12, 1,001,033.30 and 403,126.20 is: 556,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,386.12 : 1,001,033.30 = 403,126.20 : x
  2. Step 2: Convert to fraction form
    725,386.12/1,001,033.30 = 403,126.20/x
  3. Step 3: Cross multiply
    725,386.12x = 1,001,033.30 × 403,126.20
  4. Step 4: Simplify right side
    725,386.12x = 403,542,750,302.46
  5. Step 5: Solve for x
    x = 403,542,750,302.46/725,386.12
  6. Step 6: Final answer
    x = 556,314.41

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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.