Home / 835,427.88-1,251,456.18-385,523.64

Finding the Fourth Proportional to 835,427.88, 1,251,456.18 and 385,523.64

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Solution

The fourth proportional to 835,427.88, 1,251,456.18 and 385,523.64 is: 577,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,427.88 : 1,251,456.18 = 385,523.64 : x
  2. Step 2: Convert to fraction form
    835,427.88/1,251,456.18 = 385,523.64/x
  3. Step 3: Cross multiply
    835,427.88x = 1,251,456.18 × 385,523.64
  4. Step 4: Simplify right side
    835,427.88x = 482,465,941,814.10
  5. Step 5: Solve for x
    x = 482,465,941,814.10/835,427.88
  6. Step 6: Final answer
    x = 577,507.59

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1.5x scale

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.