Home / 779,237.88-1,168,155.06-280,251

Finding the Fourth Proportional to 779,237.88, 1,168,155.06 and 280,251

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Solution

The fourth proportional to 779,237.88, 1,168,155.06 and 280,251 is: 420,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,237.88 : 1,168,155.06 = 280,251 : x
  2. Step 2: Convert to fraction form
    779,237.88/1,168,155.06 = 280,251/x
  3. Step 3: Cross multiply
    779,237.88x = 1,168,155.06 × 280,251
  4. Step 4: Simplify right side
    779,237.88x = 327,376,623,720.06
  5. Step 5: Solve for x
    x = 327,376,623,720.06/779,237.88
  6. Step 6: Final answer
    x = 420,124.11

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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.