Home / 677,358.42-1,015,830.19-468,339.54

Finding the Fourth Proportional to 677,358.42, 1,015,830.19 and 468,339.54

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Solution

The fourth proportional to 677,358.42, 1,015,830.19 and 468,339.54 is: 702,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,358.42 : 1,015,830.19 = 468,339.54 : x
  2. Step 2: Convert to fraction form
    677,358.42/1,015,830.19 = 468,339.54/x
  3. Step 3: Cross multiply
    677,358.42x = 1,015,830.19 × 468,339.54
  4. Step 4: Simplify right side
    677,358.42x = 475,753,443,902.71
  5. Step 5: Solve for x
    x = 475,753,443,902.71/677,358.42
  6. Step 6: Final answer
    x = 702,365.88

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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.