Home / 858,066.28-1,287,103.74-352,902.76

Finding the Fourth Proportional to 858,066.28, 1,287,103.74 and 352,902.76

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Solution

The fourth proportional to 858,066.28, 1,287,103.74 and 352,902.76 is: 529,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,066.28 : 1,287,103.74 = 352,902.76 : x
  2. Step 2: Convert to fraction form
    858,066.28/1,287,103.74 = 352,902.76/x
  3. Step 3: Cross multiply
    858,066.28x = 1,287,103.74 × 352,902.76
  4. Step 4: Simplify right side
    858,066.28x = 454,222,462,252.32
  5. Step 5: Solve for x
    x = 454,222,462,252.32/858,066.28
  6. Step 6: Final answer
    x = 529,355.92

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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.