Home / 743,099.88-1,025,489.70-403,568.10

Finding the Fourth Proportional to 743,099.88, 1,025,489.70 and 403,568.10

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Solution

The fourth proportional to 743,099.88, 1,025,489.70 and 403,568.10 is: 556,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,099.88 : 1,025,489.70 = 403,568.10 : x
  2. Step 2: Convert to fraction form
    743,099.88/1,025,489.70 = 403,568.10/x
  3. Step 3: Cross multiply
    743,099.88x = 1,025,489.70 × 403,568.10
  4. Step 4: Simplify right side
    743,099.88x = 413,854,929,798.57
  5. Step 5: Solve for x
    x = 413,854,929,798.57/743,099.88
  6. Step 6: Final answer
    x = 556,930.42

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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.