Home / 783,856.95-1,175,659.56-215,105.22

Finding the Fourth Proportional to 783,856.95, 1,175,659.56 and 215,105.22

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Solution

The fourth proportional to 783,856.95, 1,175,659.56 and 215,105.22 is: 322,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,856.95 : 1,175,659.56 = 215,105.22 : x
  2. Step 2: Convert to fraction form
    783,856.95/1,175,659.56 = 215,105.22/x
  3. Step 3: Cross multiply
    783,856.95x = 1,175,659.56 × 215,105.22
  4. Step 4: Simplify right side
    783,856.95x = 252,890,508,298.90
  5. Step 5: Solve for x
    x = 252,890,508,298.90/783,856.95
  6. Step 6: Final answer
    x = 322,623.29

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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.