Home / 986,325.60-1,479,498.24-312,394.08

Finding the Fourth Proportional to 986,325.60, 1,479,498.24 and 312,394.08

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Solution

The fourth proportional to 986,325.60, 1,479,498.24 and 312,394.08 is: 468,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,325.60 : 1,479,498.24 = 312,394.08 : x
  2. Step 2: Convert to fraction form
    986,325.60/1,479,498.24 = 312,394.08/x
  3. Step 3: Cross multiply
    986,325.60x = 1,479,498.24 × 312,394.08
  4. Step 4: Simplify right side
    986,325.60x = 462,186,491,546.42
  5. Step 5: Solve for x
    x = 462,186,491,546.42/986,325.60
  6. Step 6: Final answer
    x = 468,594.24

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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.