Home / 814,148.28-1,221,333.48-281,526.30

Finding the Fourth Proportional to 814,148.28, 1,221,333.48 and 281,526.30

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Solution

The fourth proportional to 814,148.28, 1,221,333.48 and 281,526.30 is: 422,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,148.28 : 1,221,333.48 = 281,526.30 : x
  2. Step 2: Convert to fraction form
    814,148.28/1,221,333.48 = 281,526.30/x
  3. Step 3: Cross multiply
    814,148.28x = 1,221,333.48 × 281,526.30
  4. Step 4: Simplify right side
    814,148.28x = 343,837,495,690.52
  5. Step 5: Solve for x
    x = 343,837,495,690.52/814,148.28
  6. Step 6: Final answer
    x = 422,327.85

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Double scale
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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.