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Finding the Fourth Proportional to 577,519.52, 862,049.30 and 509,343.44

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Solution

The fourth proportional to 577,519.52, 862,049.30 and 509,343.44 is: 760,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,519.52 : 862,049.30 = 509,343.44 : x
  2. Step 2: Convert to fraction form
    577,519.52/862,049.30 = 509,343.44/x
  3. Step 3: Cross multiply
    577,519.52x = 862,049.30 × 509,343.44
  4. Step 4: Simplify right side
    577,519.52x = 439,079,149,054.63
  5. Step 5: Solve for x
    x = 439,079,149,054.63/577,519.52
  6. Step 6: Final answer
    x = 760,284.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.