Home / 988,229.18-1,482,368.34-278,252.39

Finding the Fourth Proportional to 988,229.18, 1,482,368.34 and 278,252.39

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Solution

The fourth proportional to 988,229.18, 1,482,368.34 and 278,252.39 is: 417,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,229.18 : 1,482,368.34 = 278,252.39 : x
  2. Step 2: Convert to fraction form
    988,229.18/1,482,368.34 = 278,252.39/x
  3. Step 3: Cross multiply
    988,229.18x = 1,482,368.34 × 278,252.39
  4. Step 4: Simplify right side
    988,229.18x = 412,472,533,465.33
  5. Step 5: Solve for x
    x = 412,472,533,465.33/988,229.18
  6. Step 6: Final answer
    x = 417,385.50

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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.