Home / 718,710.91-1,077,833.16-238,809.85

Finding the Fourth Proportional to 718,710.91, 1,077,833.16 and 238,809.85

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Solution

The fourth proportional to 718,710.91, 1,077,833.16 and 238,809.85 is: 358,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,710.91 : 1,077,833.16 = 238,809.85 : x
  2. Step 2: Convert to fraction form
    718,710.91/1,077,833.16 = 238,809.85/x
  3. Step 3: Cross multiply
    718,710.91x = 1,077,833.16 × 238,809.85
  4. Step 4: Simplify right side
    718,710.91x = 257,397,172,570.04
  5. Step 5: Solve for x
    x = 257,397,172,570.04/718,710.91
  6. Step 6: Final answer
    x = 358,137.28

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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.