Home / 914,664.60-1,371,996.90-283,642.20

Finding the Fourth Proportional to 914,664.60, 1,371,996.90 and 283,642.20

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Solution

The fourth proportional to 914,664.60, 1,371,996.90 and 283,642.20 is: 425,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,664.60 : 1,371,996.90 = 283,642.20 : x
  2. Step 2: Convert to fraction form
    914,664.60/1,371,996.90 = 283,642.20/x
  3. Step 3: Cross multiply
    914,664.60x = 1,371,996.90 × 283,642.20
  4. Step 4: Simplify right side
    914,664.60x = 389,156,219,109.18
  5. Step 5: Solve for x
    x = 389,156,219,109.18/914,664.60
  6. Step 6: Final answer
    x = 425,463.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.