Home / 855,757.76-1,181,070.08-493,111.04

Finding the Fourth Proportional to 855,757.76, 1,181,070.08 and 493,111.04

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Solution

The fourth proportional to 855,757.76, 1,181,070.08 and 493,111.04 is: 680,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,757.76 : 1,181,070.08 = 493,111.04 : x
  2. Step 2: Convert to fraction form
    855,757.76/1,181,070.08 = 493,111.04/x
  3. Step 3: Cross multiply
    855,757.76x = 1,181,070.08 × 493,111.04
  4. Step 4: Simplify right side
    855,757.76x = 582,398,695,461.68
  5. Step 5: Solve for x
    x = 582,398,695,461.68/855,757.76
  6. Step 6: Final answer
    x = 680,564.90

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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.