Home / 955,949.28-1,434,139.95-316,251.51

Finding the Fourth Proportional to 955,949.28, 1,434,139.95 and 316,251.51

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Solution

The fourth proportional to 955,949.28, 1,434,139.95 and 316,251.51 is: 474,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,949.28 : 1,434,139.95 = 316,251.51 : x
  2. Step 2: Convert to fraction form
    955,949.28/1,434,139.95 = 316,251.51/x
  3. Step 3: Cross multiply
    955,949.28x = 1,434,139.95 × 316,251.51
  4. Step 4: Simplify right side
    955,949.28x = 453,548,924,738.83
  5. Step 5: Solve for x
    x = 453,548,924,738.83/955,949.28
  6. Step 6: Final answer
    x = 474,448.73

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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.