Home / 476,706.80-657,876.06-272,821.70

Finding the Fourth Proportional to 476,706.80, 657,876.06 and 272,821.70

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Solution

The fourth proportional to 476,706.80, 657,876.06 and 272,821.70 is: 376,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,706.80 : 657,876.06 = 272,821.70 : x
  2. Step 2: Convert to fraction form
    476,706.80/657,876.06 = 272,821.70/x
  3. Step 3: Cross multiply
    476,706.80x = 657,876.06 × 272,821.70
  4. Step 4: Simplify right side
    476,706.80x = 179,482,865,078.50
  5. Step 5: Solve for x
    x = 179,482,865,078.50/476,706.80
  6. Step 6: Final answer
    x = 376,505.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.