Home / 748,468.80-1,122,687.08-208,710.70

Finding the Fourth Proportional to 748,468.80, 1,122,687.08 and 208,710.70

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Solution

The fourth proportional to 748,468.80, 1,122,687.08 and 208,710.70 is: 313,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,468.80 : 1,122,687.08 = 208,710.70 : x
  2. Step 2: Convert to fraction form
    748,468.80/1,122,687.08 = 208,710.70/x
  3. Step 3: Cross multiply
    748,468.80x = 1,122,687.08 × 208,710.70
  4. Step 4: Simplify right side
    748,468.80x = 234,316,800,734.32
  5. Step 5: Solve for x
    x = 234,316,800,734.32/748,468.80
  6. Step 6: Final answer
    x = 313,061.55

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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.