Home / 855,478.44-1,180,823.22-493,144.56

Finding the Fourth Proportional to 855,478.44, 1,180,823.22 and 493,144.56

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Solution

The fourth proportional to 855,478.44, 1,180,823.22 and 493,144.56 is: 680,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,478.44 : 1,180,823.22 = 493,144.56 : x
  2. Step 2: Convert to fraction form
    855,478.44/1,180,823.22 = 493,144.56/x
  3. Step 3: Cross multiply
    855,478.44x = 1,180,823.22 × 493,144.56
  4. Step 4: Simplify right side
    855,478.44x = 582,316,547,264.68
  5. Step 5: Solve for x
    x = 582,316,547,264.68/855,478.44
  6. Step 6: Final answer
    x = 680,691.08

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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.