Home / 949,872.27-1,310,784.36-520,145.00

Finding the Fourth Proportional to 949,872.27, 1,310,784.36 and 520,145.00

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Solution

The fourth proportional to 949,872.27, 1,310,784.36 and 520,145.00 is: 717,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,872.27 : 1,310,784.36 = 520,145.00 : x
  2. Step 2: Convert to fraction form
    949,872.27/1,310,784.36 = 520,145.00/x
  3. Step 3: Cross multiply
    949,872.27x = 1,310,784.36 × 520,145.00
  4. Step 4: Simplify right side
    949,872.27x = 681,797,924,378.28
  5. Step 5: Solve for x
    x = 681,797,924,378.28/949,872.27
  6. Step 6: Final answer
    x = 717,778.53

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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.