Home / 876,617.90-1,314,926.85-343,864.70

Finding the Fourth Proportional to 876,617.90, 1,314,926.85 and 343,864.70

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Solution

The fourth proportional to 876,617.90, 1,314,926.85 and 343,864.70 is: 515,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,617.90 : 1,314,926.85 = 343,864.70 : x
  2. Step 2: Convert to fraction form
    876,617.90/1,314,926.85 = 343,864.70/x
  3. Step 3: Cross multiply
    876,617.90x = 1,314,926.85 × 343,864.70
  4. Step 4: Simplify right side
    876,617.90x = 452,156,926,797.20
  5. Step 5: Solve for x
    x = 452,156,926,797.20/876,617.90
  6. Step 6: Final answer
    x = 515,797.05

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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.