Home / 753,344.20-1,129,054.62-353,103.16

Finding the Fourth Proportional to 753,344.20, 1,129,054.62 and 353,103.16

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Solution

The fourth proportional to 753,344.20, 1,129,054.62 and 353,103.16 is: 529,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,344.20 : 1,129,054.62 = 353,103.16 : x
  2. Step 2: Convert to fraction form
    753,344.20/1,129,054.62 = 353,103.16/x
  3. Step 3: Cross multiply
    753,344.20x = 1,129,054.62 × 353,103.16
  4. Step 4: Simplify right side
    753,344.20x = 398,672,754,134.60
  5. Step 5: Solve for x
    x = 398,672,754,134.60/753,344.20
  6. Step 6: Final answer
    x = 529,203.99

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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.