Home / 976,164.30-1,464,111.45-302,708.70

Finding the Fourth Proportional to 976,164.30, 1,464,111.45 and 302,708.70

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Solution

The fourth proportional to 976,164.30, 1,464,111.45 and 302,708.70 is: 454,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,164.30 : 1,464,111.45 = 302,708.70 : x
  2. Step 2: Convert to fraction form
    976,164.30/1,464,111.45 = 302,708.70/x
  3. Step 3: Cross multiply
    976,164.30x = 1,464,111.45 × 302,708.70
  4. Step 4: Simplify right side
    976,164.30x = 443,199,273,684.62
  5. Step 5: Solve for x
    x = 443,199,273,684.62/976,164.30
  6. Step 6: Final answer
    x = 454,021.19

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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.