Home / 718,959.24-1,078,291.24-339,718.86

Finding the Fourth Proportional to 718,959.24, 1,078,291.24 and 339,718.86

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Solution

The fourth proportional to 718,959.24, 1,078,291.24 and 339,718.86 is: 509,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,959.24 : 1,078,291.24 = 339,718.86 : x
  2. Step 2: Convert to fraction form
    718,959.24/1,078,291.24 = 339,718.86/x
  3. Step 3: Cross multiply
    718,959.24x = 1,078,291.24 × 339,718.86
  4. Step 4: Simplify right side
    718,959.24x = 366,315,869,951.49
  5. Step 5: Solve for x
    x = 366,315,869,951.49/718,959.24
  6. Step 6: Final answer
    x = 509,508.54

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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.