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Finding the Fourth Proportional to 569,080.13, 853,367.47 and 302,784.53

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Solution

The fourth proportional to 569,080.13, 853,367.47 and 302,784.53 is: 454,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,080.13 : 853,367.47 = 302,784.53 : x
  2. Step 2: Convert to fraction form
    569,080.13/853,367.47 = 302,784.53/x
  3. Step 3: Cross multiply
    569,080.13x = 853,367.47 × 302,784.53
  4. Step 4: Simplify right side
    569,080.13x = 258,386,468,321.24
  5. Step 5: Solve for x
    x = 258,386,468,321.24/569,080.13
  6. Step 6: Final answer
    x = 454,042.33

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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.