Home / 718,711.29-1,077,833.72-238,810.23

Finding the Fourth Proportional to 718,711.29, 1,077,833.72 and 238,810.23

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Solution

The fourth proportional to 718,711.29, 1,077,833.72 and 238,810.23 is: 358,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,711.29 : 1,077,833.72 = 238,810.23 : x
  2. Step 2: Convert to fraction form
    718,711.29/1,077,833.72 = 238,810.23/x
  3. Step 3: Cross multiply
    718,711.29x = 1,077,833.72 × 238,810.23
  4. Step 4: Simplify right side
    718,711.29x = 257,397,717,380.90
  5. Step 5: Solve for x
    x = 257,397,717,380.90/718,711.29
  6. Step 6: Final answer
    x = 358,137.85

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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.