Home / 880,965.45-1,215,443.16-493,724.25

Finding the Fourth Proportional to 880,965.45, 1,215,443.16 and 493,724.25

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Solution

The fourth proportional to 880,965.45, 1,215,443.16 and 493,724.25 is: 681,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,965.45 : 1,215,443.16 = 493,724.25 : x
  2. Step 2: Convert to fraction form
    880,965.45/1,215,443.16 = 493,724.25/x
  3. Step 3: Cross multiply
    880,965.45x = 1,215,443.16 × 493,724.25
  4. Step 4: Simplify right side
    880,965.45x = 600,093,762,588.63
  5. Step 5: Solve for x
    x = 600,093,762,588.63/880,965.45
  6. Step 6: Final answer
    x = 681,177.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.