Home / 779,801.59-1,076,126.20-422,105.59

Finding the Fourth Proportional to 779,801.59, 1,076,126.20 and 422,105.59

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Solution

The fourth proportional to 779,801.59, 1,076,126.20 and 422,105.59 is: 582,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,801.59 : 1,076,126.20 = 422,105.59 : x
  2. Step 2: Convert to fraction form
    779,801.59/1,076,126.20 = 422,105.59/x
  3. Step 3: Cross multiply
    779,801.59x = 1,076,126.20 × 422,105.59
  4. Step 4: Simplify right side
    779,801.59x = 454,238,884,565.46
  5. Step 5: Solve for x
    x = 454,238,884,565.46/779,801.59
  6. Step 6: Final answer
    x = 582,505.72

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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.