Home / 577,437.22-796,868.51-319,331.53

Finding the Fourth Proportional to 577,437.22, 796,868.51 and 319,331.53

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Solution

The fourth proportional to 577,437.22, 796,868.51 and 319,331.53 is: 440,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,437.22 : 796,868.51 = 319,331.53 : x
  2. Step 2: Convert to fraction form
    577,437.22/796,868.51 = 319,331.53/x
  3. Step 3: Cross multiply
    577,437.22x = 796,868.51 × 319,331.53
  4. Step 4: Simplify right side
    577,437.22x = 254,465,240,507.12
  5. Step 5: Solve for x
    x = 254,465,240,507.12/577,437.22
  6. Step 6: Final answer
    x = 440,680.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.