Home / 855,915.95-1,181,155.53-463,447.06

Finding the Fourth Proportional to 855,915.95, 1,181,155.53 and 463,447.06

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Solution

The fourth proportional to 855,915.95, 1,181,155.53 and 463,447.06 is: 639,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,915.95 : 1,181,155.53 = 463,447.06 : x
  2. Step 2: Convert to fraction form
    855,915.95/1,181,155.53 = 463,447.06/x
  3. Step 3: Cross multiply
    855,915.95x = 1,181,155.53 × 463,447.06
  4. Step 4: Simplify right side
    855,915.95x = 547,403,057,781.24
  5. Step 5: Solve for x
    x = 547,403,057,781.24/855,915.95
  6. Step 6: Final answer
    x = 639,552.35

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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.