Home / 749,417.92-1,034,196.78-409,886.20

Finding the Fourth Proportional to 749,417.92, 1,034,196.78 and 409,886.20

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Solution

The fourth proportional to 749,417.92, 1,034,196.78 and 409,886.20 is: 565,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,417.92 : 1,034,196.78 = 409,886.20 : x
  2. Step 2: Convert to fraction form
    749,417.92/1,034,196.78 = 409,886.20/x
  3. Step 3: Cross multiply
    749,417.92x = 1,034,196.78 × 409,886.20
  4. Step 4: Simplify right side
    749,417.92x = 423,902,988,206.44
  5. Step 5: Solve for x
    x = 423,902,988,206.44/749,417.92
  6. Step 6: Final answer
    x = 565,642.98

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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.