Home / 779,800.59-1,076,124.82-422,104.59

Finding the Fourth Proportional to 779,800.59, 1,076,124.82 and 422,104.59

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Solution

The fourth proportional to 779,800.59, 1,076,124.82 and 422,104.59 is: 582,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,800.59 : 1,076,124.82 = 422,104.59 : x
  2. Step 2: Convert to fraction form
    779,800.59/1,076,124.82 = 422,104.59/x
  3. Step 3: Cross multiply
    779,800.59x = 1,076,124.82 × 422,104.59
  4. Step 4: Simplify right side
    779,800.59x = 454,237,229,706.58
  5. Step 5: Solve for x
    x = 454,237,229,706.58/779,800.59
  6. Step 6: Final answer
    x = 582,504.34

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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.