Home / 925,392.60-1,386,015.30-481,642.20

Finding the Fourth Proportional to 925,392.60, 1,386,015.30 and 481,642.20

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Solution

The fourth proportional to 925,392.60, 1,386,015.30 and 481,642.20 is: 721,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,392.60 : 1,386,015.30 = 481,642.20 : x
  2. Step 2: Convert to fraction form
    925,392.60/1,386,015.30 = 481,642.20/x
  3. Step 3: Cross multiply
    925,392.60x = 1,386,015.30 × 481,642.20
  4. Step 4: Simplify right side
    925,392.60x = 667,563,458,325.66
  5. Step 5: Solve for x
    x = 667,563,458,325.66/925,392.60
  6. Step 6: Final answer
    x = 721,384.05

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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.