Home / 855,802.66-1,181,003.54-463,335.86

Finding the Fourth Proportional to 855,802.66, 1,181,003.54 and 463,335.86

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Solution

The fourth proportional to 855,802.66, 1,181,003.54 and 463,335.86 is: 639,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,802.66 : 1,181,003.54 = 463,335.86 : x
  2. Step 2: Convert to fraction form
    855,802.66/1,181,003.54 = 463,335.86/x
  3. Step 3: Cross multiply
    855,802.66x = 1,181,003.54 × 463,335.86
  4. Step 4: Simplify right side
    855,802.66x = 547,201,290,868.94
  5. Step 5: Solve for x
    x = 547,201,290,868.94/855,802.66
  6. Step 6: Final answer
    x = 639,401.25

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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.