Home / 677,966.58-1,016,948.85-278,325.82

Finding the Fourth Proportional to 677,966.58, 1,016,948.85 and 278,325.82

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Solution

The fourth proportional to 677,966.58, 1,016,948.85 and 278,325.82 is: 417,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,966.58 : 1,016,948.85 = 278,325.82 : x
  2. Step 2: Convert to fraction form
    677,966.58/1,016,948.85 = 278,325.82/x
  3. Step 3: Cross multiply
    677,966.58x = 1,016,948.85 × 278,325.82
  4. Step 4: Simplify right side
    677,966.58x = 283,043,123,584.56
  5. Step 5: Solve for x
    x = 283,043,123,584.56/677,966.58
  6. Step 6: Final answer
    x = 417,488.31

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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.