Home / 781,146.42-1,077,967.80-441,614.76

Finding the Fourth Proportional to 781,146.42, 1,077,967.80 and 441,614.76

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Solution

The fourth proportional to 781,146.42, 1,077,967.80 and 441,614.76 is: 609,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,146.42 : 1,077,967.80 = 441,614.76 : x
  2. Step 2: Convert to fraction form
    781,146.42/1,077,967.80 = 441,614.76/x
  3. Step 3: Cross multiply
    781,146.42x = 1,077,967.80 × 441,614.76
  4. Step 4: Simplify right side
    781,146.42x = 476,046,491,284.73
  5. Step 5: Solve for x
    x = 476,046,491,284.73/781,146.42
  6. Step 6: Final answer
    x = 609,420.31

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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.