Home / 976,720.64-1,465,136.25-302,897.74

Finding the Fourth Proportional to 976,720.64, 1,465,136.25 and 302,897.74

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Solution

The fourth proportional to 976,720.64, 1,465,136.25 and 302,897.74 is: 454,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,720.64 : 1,465,136.25 = 302,897.74 : x
  2. Step 2: Convert to fraction form
    976,720.64/1,465,136.25 = 302,897.74/x
  3. Step 3: Cross multiply
    976,720.64x = 1,465,136.25 × 302,897.74
  4. Step 4: Simplify right side
    976,720.64x = 443,786,458,917.08
  5. Step 5: Solve for x
    x = 443,786,458,917.08/976,720.64
  6. Step 6: Final answer
    x = 454,363.76

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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.