Home / 426,420.75-588,460.47-245,168.13

Finding the Fourth Proportional to 426,420.75, 588,460.47 and 245,168.13

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Solution

The fourth proportional to 426,420.75, 588,460.47 and 245,168.13 is: 338,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,420.75 : 588,460.47 = 245,168.13 : x
  2. Step 2: Convert to fraction form
    426,420.75/588,460.47 = 245,168.13/x
  3. Step 3: Cross multiply
    426,420.75x = 588,460.47 × 245,168.13
  4. Step 4: Simplify right side
    426,420.75x = 144,271,753,008.82
  5. Step 5: Solve for x
    x = 144,271,753,008.82/426,420.75
  6. Step 6: Final answer
    x = 338,331.92

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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.