Home / 790,717.20-1,186,065.33-191,683.72

Finding the Fourth Proportional to 790,717.20, 1,186,065.33 and 191,683.72

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Solution

The fourth proportional to 790,717.20, 1,186,065.33 and 191,683.72 is: 287,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,717.20 : 1,186,065.33 = 191,683.72 : x
  2. Step 2: Convert to fraction form
    790,717.20/1,186,065.33 = 191,683.72/x
  3. Step 3: Cross multiply
    790,717.20x = 1,186,065.33 × 191,683.72
  4. Step 4: Simplify right side
    790,717.20x = 227,349,414,617.43
  5. Step 5: Solve for x
    x = 227,349,414,617.43/790,717.20
  6. Step 6: Final answer
    x = 287,523.04

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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.