Home / 880,922.70-1,215,758.40-493,803.63

Finding the Fourth Proportional to 880,922.70, 1,215,758.40 and 493,803.63

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Solution

The fourth proportional to 880,922.70, 1,215,758.40 and 493,803.63 is: 681,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,922.70 : 1,215,758.40 = 493,803.63 : x
  2. Step 2: Convert to fraction form
    880,922.70/1,215,758.40 = 493,803.63/x
  3. Step 3: Cross multiply
    880,922.70x = 1,215,758.40 × 493,803.63
  4. Step 4: Simplify right side
    880,922.70x = 600,345,911,122.99
  5. Step 5: Solve for x
    x = 600,345,911,122.99/880,922.70
  6. Step 6: Final answer
    x = 681,496.70

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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.