Home / 988,166.79-1,482,337.67-278,200.98

Finding the Fourth Proportional to 988,166.79, 1,482,337.67 and 278,200.98

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Solution

The fourth proportional to 988,166.79, 1,482,337.67 and 278,200.98 is: 417,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,166.79 : 1,482,337.67 = 278,200.98 : x
  2. Step 2: Convert to fraction form
    988,166.79/1,482,337.67 = 278,200.98/x
  3. Step 3: Cross multiply
    988,166.79x = 1,482,337.67 × 278,200.98
  4. Step 4: Simplify right side
    988,166.79x = 412,387,791,093.91
  5. Step 5: Solve for x
    x = 412,387,791,093.91/988,166.79
  6. Step 6: Final answer
    x = 417,326.10

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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.