Home / 997,225.38-1,376,279.37-615,242.34

Finding the Fourth Proportional to 997,225.38, 1,376,279.37 and 615,242.34

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Solution

The fourth proportional to 997,225.38, 1,376,279.37 and 615,242.34 is: 849,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,225.38 : 1,376,279.37 = 615,242.34 : x
  2. Step 2: Convert to fraction form
    997,225.38/1,376,279.37 = 615,242.34/x
  3. Step 3: Cross multiply
    997,225.38x = 1,376,279.37 × 615,242.34
  4. Step 4: Simplify right side
    997,225.38x = 846,745,340,092.53
  5. Step 5: Solve for x
    x = 846,745,340,092.53/997,225.38
  6. Step 6: Final answer
    x = 849,101.27

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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.