Home / 688,227.03-949,092.39-446,421.38

Finding the Fourth Proportional to 688,227.03, 949,092.39 and 446,421.38

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Solution

The fourth proportional to 688,227.03, 949,092.39 and 446,421.38 is: 615,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,227.03 : 949,092.39 = 446,421.38 : x
  2. Step 2: Convert to fraction form
    688,227.03/949,092.39 = 446,421.38/x
  3. Step 3: Cross multiply
    688,227.03x = 949,092.39 × 446,421.38
  4. Step 4: Simplify right side
    688,227.03x = 423,695,129,745.84
  5. Step 5: Solve for x
    x = 423,695,129,745.84/688,227.03
  6. Step 6: Final answer
    x = 615,632.79

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Half scale
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Double scale
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Similar ratio
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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.