Home / 718,521.72-1,078,177.50-269,552.76

Finding the Fourth Proportional to 718,521.72, 1,078,177.50 and 269,552.76

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Solution

The fourth proportional to 718,521.72, 1,078,177.50 and 269,552.76 is: 404,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,521.72 : 1,078,177.50 = 269,552.76 : x
  2. Step 2: Convert to fraction form
    718,521.72/1,078,177.50 = 269,552.76/x
  3. Step 3: Cross multiply
    718,521.72x = 1,078,177.50 × 269,552.76
  4. Step 4: Simplify right side
    718,521.72x = 290,625,720,894.90
  5. Step 5: Solve for x
    x = 290,625,720,894.90/718,521.72
  6. Step 6: Final answer
    x = 404,477.29

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1.5x scale

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.