Home / 880,477.02-1,215,077.75-493,320.91

Finding the Fourth Proportional to 880,477.02, 1,215,077.75 and 493,320.91

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Solution

The fourth proportional to 880,477.02, 1,215,077.75 and 493,320.91 is: 680,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,477.02 : 1,215,077.75 = 493,320.91 : x
  2. Step 2: Convert to fraction form
    880,477.02/1,215,077.75 = 493,320.91/x
  3. Step 3: Cross multiply
    880,477.02x = 1,215,077.75 × 493,320.91
  4. Step 4: Simplify right side
    880,477.02x = 599,423,261,350.75
  5. Step 5: Solve for x
    x = 599,423,261,350.75/880,477.02
  6. Step 6: Final answer
    x = 680,793.76

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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.