Home / 914,605.70-1,371,908.55-283,712.90

Finding the Fourth Proportional to 914,605.70, 1,371,908.55 and 283,712.90

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Solution

The fourth proportional to 914,605.70, 1,371,908.55 and 283,712.90 is: 425,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,605.70 : 1,371,908.55 = 283,712.90 : x
  2. Step 2: Convert to fraction form
    914,605.70/1,371,908.55 = 283,712.90/x
  3. Step 3: Cross multiply
    914,605.70x = 1,371,908.55 × 283,712.90
  4. Step 4: Simplify right side
    914,605.70x = 389,228,153,255.30
  5. Step 5: Solve for x
    x = 389,228,153,255.30/914,605.70
  6. Step 6: Final answer
    x = 425,569.35

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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.