Home / 637,755.03-880,141.86-351,275.04

Finding the Fourth Proportional to 637,755.03, 880,141.86 and 351,275.04

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Solution

The fourth proportional to 637,755.03, 880,141.86 and 351,275.04 is: 484,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,755.03 : 880,141.86 = 351,275.04 : x
  2. Step 2: Convert to fraction form
    637,755.03/880,141.86 = 351,275.04/x
  3. Step 3: Cross multiply
    637,755.03x = 880,141.86 × 351,275.04
  4. Step 4: Simplify right side
    637,755.03x = 309,171,867,077.17
  5. Step 5: Solve for x
    x = 309,171,867,077.17/637,755.03
  6. Step 6: Final answer
    x = 484,781.54

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1.5x scale

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.