Home / 792,761.78-1,189,475.86-493,492.70

Finding the Fourth Proportional to 792,761.78, 1,189,475.86 and 493,492.70

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Solution

The fourth proportional to 792,761.78, 1,189,475.86 and 493,492.70 is: 740,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,761.78 : 1,189,475.86 = 493,492.70 : x
  2. Step 2: Convert to fraction form
    792,761.78/1,189,475.86 = 493,492.70/x
  3. Step 3: Cross multiply
    792,761.78x = 1,189,475.86 × 493,492.70
  4. Step 4: Simplify right side
    792,761.78x = 586,997,653,736.22
  5. Step 5: Solve for x
    x = 586,997,653,736.22/792,761.78
  6. Step 6: Final answer
    x = 740,446.46

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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.