Home / 876,178.12-1,314,411.39-268,951.19

Finding the Fourth Proportional to 876,178.12, 1,314,411.39 and 268,951.19

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Solution

The fourth proportional to 876,178.12, 1,314,411.39 and 268,951.19 is: 403,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,178.12 : 1,314,411.39 = 268,951.19 : x
  2. Step 2: Convert to fraction form
    876,178.12/1,314,411.39 = 268,951.19/x
  3. Step 3: Cross multiply
    876,178.12x = 1,314,411.39 × 268,951.19
  4. Step 4: Simplify right side
    876,178.12x = 353,512,507,490.05
  5. Step 5: Solve for x
    x = 353,512,507,490.05/876,178.12
  6. Step 6: Final answer
    x = 403,471.05

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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.