Home / 976,685.85-1,465,414.47-302,820.12

Finding the Fourth Proportional to 976,685.85, 1,465,414.47 and 302,820.12

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Solution

The fourth proportional to 976,685.85, 1,465,414.47 and 302,820.12 is: 454,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,685.85 : 1,465,414.47 = 302,820.12 : x
  2. Step 2: Convert to fraction form
    976,685.85/1,465,414.47 = 302,820.12/x
  3. Step 3: Cross multiply
    976,685.85x = 1,465,414.47 × 302,820.12
  4. Step 4: Simplify right side
    976,685.85x = 443,756,985,655.14
  5. Step 5: Solve for x
    x = 443,756,985,655.14/976,685.85
  6. Step 6: Final answer
    x = 454,349.76

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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.