Home / 749,132.40-1,033,802.68-409,600.68

Finding the Fourth Proportional to 749,132.40, 1,033,802.68 and 409,600.68

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Solution

The fourth proportional to 749,132.40, 1,033,802.68 and 409,600.68 is: 565,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,132.40 : 1,033,802.68 = 409,600.68 : x
  2. Step 2: Convert to fraction form
    749,132.40/1,033,802.68 = 409,600.68/x
  3. Step 3: Cross multiply
    749,132.40x = 1,033,802.68 × 409,600.68
  4. Step 4: Simplify right side
    749,132.40x = 423,446,280,713.82
  5. Step 5: Solve for x
    x = 423,446,280,713.82/749,132.40
  6. Step 6: Final answer
    x = 565,248.92

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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.