Home / 748,658.30-1,122,822-216,063.45

Finding the Fourth Proportional to 748,658.30, 1,122,822 and 216,063.45

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Solution

The fourth proportional to 748,658.30, 1,122,822 and 216,063.45 is: 324,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,658.30 : 1,122,822 = 216,063.45 : x
  2. Step 2: Convert to fraction form
    748,658.30/1,122,822 = 216,063.45/x
  3. Step 3: Cross multiply
    748,658.30x = 1,122,822 × 216,063.45
  4. Step 4: Simplify right side
    748,658.30x = 242,600,795,055.90
  5. Step 5: Solve for x
    x = 242,600,795,055.90/748,658.30
  6. Step 6: Final answer
    x = 324,047.43

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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.