Home / 876,614.40-1,314,921.60-343,861.20

Finding the Fourth Proportional to 876,614.40, 1,314,921.60 and 343,861.20

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Solution

The fourth proportional to 876,614.40, 1,314,921.60 and 343,861.20 is: 515,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,614.40 : 1,314,921.60 = 343,861.20 : x
  2. Step 2: Convert to fraction form
    876,614.40/1,314,921.60 = 343,861.20/x
  3. Step 3: Cross multiply
    876,614.40x = 1,314,921.60 × 343,861.20
  4. Step 4: Simplify right side
    876,614.40x = 452,150,519,281.92
  5. Step 5: Solve for x
    x = 452,150,519,281.92/876,614.40
  6. Step 6: Final answer
    x = 515,791.80

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1.5x scale

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.