Home / 880,233.60-1,320,350.40-281,214.30

Finding the Fourth Proportional to 880,233.60, 1,320,350.40 and 281,214.30

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Solution

The fourth proportional to 880,233.60, 1,320,350.40 and 281,214.30 is: 421,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,233.60 : 1,320,350.40 = 281,214.30 : x
  2. Step 2: Convert to fraction form
    880,233.60/1,320,350.40 = 281,214.30/x
  3. Step 3: Cross multiply
    880,233.60x = 1,320,350.40 × 281,214.30
  4. Step 4: Simplify right side
    880,233.60x = 371,301,413,490.72
  5. Step 5: Solve for x
    x = 371,301,413,490.72/880,233.60
  6. Step 6: Final answer
    x = 421,821.45

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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.