Home / 855,411.98-1,180,731.54-493,078.13

Finding the Fourth Proportional to 855,411.98, 1,180,731.54 and 493,078.13

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Solution

The fourth proportional to 855,411.98, 1,180,731.54 and 493,078.13 is: 680,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,411.98 : 1,180,731.54 = 493,078.13 : x
  2. Step 2: Convert to fraction form
    855,411.98/1,180,731.54 = 493,078.13/x
  3. Step 3: Cross multiply
    855,411.98x = 1,180,731.54 × 493,078.13
  4. Step 4: Simplify right side
    855,411.98x = 582,192,899,775.22
  5. Step 5: Solve for x
    x = 582,192,899,775.22/855,411.98
  6. Step 6: Final answer
    x = 680,599.42

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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.