Home / 976,679.32-1,465,246.20-302,724.88

Finding the Fourth Proportional to 976,679.32, 1,465,246.20 and 302,724.88

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Solution

The fourth proportional to 976,679.32, 1,465,246.20 and 302,724.88 is: 454,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,679.32 : 1,465,246.20 = 302,724.88 : x
  2. Step 2: Convert to fraction form
    976,679.32/1,465,246.20 = 302,724.88/x
  3. Step 3: Cross multiply
    976,679.32x = 1,465,246.20 × 302,724.88
  4. Step 4: Simplify right side
    976,679.32x = 443,566,480,065.46
  5. Step 5: Solve for x
    x = 443,566,480,065.46/976,679.32
  6. Step 6: Final answer
    x = 454,157.75

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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.