Home / 988,338.28-1,482,627.38-278,366.31

Finding the Fourth Proportional to 988,338.28, 1,482,627.38 and 278,366.31

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Solution

The fourth proportional to 988,338.28, 1,482,627.38 and 278,366.31 is: 417,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,338.28 : 1,482,627.38 = 278,366.31 : x
  2. Step 2: Convert to fraction form
    988,338.28/1,482,627.38 = 278,366.31/x
  3. Step 3: Cross multiply
    988,338.28x = 1,482,627.38 × 278,366.31
  4. Step 4: Simplify right side
    988,338.28x = 412,713,517,565.53
  5. Step 5: Solve for x
    x = 412,713,517,565.53/988,338.28
  6. Step 6: Final answer
    x = 417,583.26

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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.