Home / 951,905.40-1,427,922.90-303,430.20

Finding the Fourth Proportional to 951,905.40, 1,427,922.90 and 303,430.20

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Solution

The fourth proportional to 951,905.40, 1,427,922.90 and 303,430.20 is: 455,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,905.40 : 1,427,922.90 = 303,430.20 : x
  2. Step 2: Convert to fraction form
    951,905.40/1,427,922.90 = 303,430.20/x
  3. Step 3: Cross multiply
    951,905.40x = 1,427,922.90 × 303,430.20
  4. Step 4: Simplify right side
    951,905.40x = 433,274,931,131.58
  5. Step 5: Solve for x
    x = 433,274,931,131.58/951,905.40
  6. Step 6: Final answer
    x = 455,165.96

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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.