Home / 761,635.59-1,051,057.11-422,125.71

Finding the Fourth Proportional to 761,635.59, 1,051,057.11 and 422,125.71

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Solution

The fourth proportional to 761,635.59, 1,051,057.11 and 422,125.71 is: 582,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,635.59 : 1,051,057.11 = 422,125.71 : x
  2. Step 2: Convert to fraction form
    761,635.59/1,051,057.11 = 422,125.71/x
  3. Step 3: Cross multiply
    761,635.59x = 1,051,057.11 × 422,125.71
  4. Step 4: Simplify right side
    761,635.59x = 443,678,228,809.30
  5. Step 5: Solve for x
    x = 443,678,228,809.30/761,635.59
  6. Step 6: Final answer
    x = 582,533.48

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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.