Home / 921,463.70-1,382,190.08-238,350.60

Finding the Fourth Proportional to 921,463.70, 1,382,190.08 and 238,350.60

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Solution

The fourth proportional to 921,463.70, 1,382,190.08 and 238,350.60 is: 357,524.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,463.70 : 1,382,190.08 = 238,350.60 : x
  2. Step 2: Convert to fraction form
    921,463.70/1,382,190.08 = 238,350.60/x
  3. Step 3: Cross multiply
    921,463.70x = 1,382,190.08 × 238,350.60
  4. Step 4: Simplify right side
    921,463.70x = 329,445,833,690.30
  5. Step 5: Solve for x
    x = 329,445,833,690.30/921,463.70
  6. Step 6: Final answer
    x = 357,524.49

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