Home / 855,925.31-1,181,168.46-463,456.38

Finding the Fourth Proportional to 855,925.31, 1,181,168.46 and 463,456.38

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Solution

The fourth proportional to 855,925.31, 1,181,168.46 and 463,456.38 is: 639,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,925.31 : 1,181,168.46 = 463,456.38 : x
  2. Step 2: Convert to fraction form
    855,925.31/1,181,168.46 = 463,456.38/x
  3. Step 3: Cross multiply
    855,925.31x = 1,181,168.46 × 463,456.38
  4. Step 4: Simplify right side
    855,925.31x = 547,420,063,071.16
  5. Step 5: Solve for x
    x = 547,420,063,071.16/855,925.31
  6. Step 6: Final answer
    x = 639,565.22

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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.