Home / 529,844.00-731,188.17-288,129.20

Finding the Fourth Proportional to 529,844.00, 731,188.17 and 288,129.20

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Solution

The fourth proportional to 529,844.00, 731,188.17 and 288,129.20 is: 397,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,844.00 : 731,188.17 = 288,129.20 : x
  2. Step 2: Convert to fraction form
    529,844.00/731,188.17 = 288,129.20/x
  3. Step 3: Cross multiply
    529,844.00x = 731,188.17 × 288,129.20
  4. Step 4: Simplify right side
    529,844.00x = 210,676,658,815.62
  5. Step 5: Solve for x
    x = 210,676,658,815.62/529,844.00
  6. Step 6: Final answer
    x = 397,620.17

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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.