Home / 991,204.92-1,486,868.94-281,288.52

Finding the Fourth Proportional to 991,204.92, 1,486,868.94 and 281,288.52

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Solution

The fourth proportional to 991,204.92, 1,486,868.94 and 281,288.52 is: 421,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,204.92 : 1,486,868.94 = 281,288.52 : x
  2. Step 2: Convert to fraction form
    991,204.92/1,486,868.94 = 281,288.52/x
  3. Step 3: Cross multiply
    991,204.92x = 1,486,868.94 × 281,288.52
  4. Step 4: Simplify right side
    991,204.92x = 418,239,163,566.57
  5. Step 5: Solve for x
    x = 418,239,163,566.57/991,204.92
  6. Step 6: Final answer
    x = 421,950.25

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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.