Home / 529,189.12-730,286.04-287,473.51

Finding the Fourth Proportional to 529,189.12, 730,286.04 and 287,473.51

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Solution

The fourth proportional to 529,189.12, 730,286.04 and 287,473.51 is: 396,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,189.12 : 730,286.04 = 287,473.51 : x
  2. Step 2: Convert to fraction form
    529,189.12/730,286.04 = 287,473.51/x
  3. Step 3: Cross multiply
    529,189.12x = 730,286.04 × 287,473.51
  4. Step 4: Simplify right side
    529,189.12x = 209,937,891,222.80
  5. Step 5: Solve for x
    x = 209,937,891,222.80/529,189.12
  6. Step 6: Final answer
    x = 396,716.19

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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.