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Finding the Fourth Proportional to 575,326.78, 862,851.74 and 175,971.04

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Solution

The fourth proportional to 575,326.78, 862,851.74 and 175,971.04 is: 263,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,326.78 : 862,851.74 = 175,971.04 : x
  2. Step 2: Convert to fraction form
    575,326.78/862,851.74 = 175,971.04/x
  3. Step 3: Cross multiply
    575,326.78x = 862,851.74 × 175,971.04
  4. Step 4: Simplify right side
    575,326.78x = 151,836,918,053.61
  5. Step 5: Solve for x
    x = 151,836,918,053.61/575,326.78
  6. Step 6: Final answer
    x = 263,914.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.