Home / 765,795.48-1,149,080.70-316,838.52

Finding the Fourth Proportional to 765,795.48, 1,149,080.70 and 316,838.52

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Solution

The fourth proportional to 765,795.48, 1,149,080.70 and 316,838.52 is: 475,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,795.48 : 1,149,080.70 = 316,838.52 : x
  2. Step 2: Convert to fraction form
    765,795.48/1,149,080.70 = 316,838.52/x
  3. Step 3: Cross multiply
    765,795.48x = 1,149,080.70 × 316,838.52
  4. Step 4: Simplify right side
    765,795.48x = 364,073,028,348.56
  5. Step 5: Solve for x
    x = 364,073,028,348.56/765,795.48
  6. Step 6: Final answer
    x = 475,418.10

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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.