Home / 832,012.98-1,248,181.29-319,640.79

Finding the Fourth Proportional to 832,012.98, 1,248,181.29 and 319,640.79

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Solution

The fourth proportional to 832,012.98, 1,248,181.29 and 319,640.79 is: 479,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,012.98 : 1,248,181.29 = 319,640.79 : x
  2. Step 2: Convert to fraction form
    832,012.98/1,248,181.29 = 319,640.79/x
  3. Step 3: Cross multiply
    832,012.98x = 1,248,181.29 × 319,640.79
  4. Step 4: Simplify right side
    832,012.98x = 398,969,653,598.82
  5. Step 5: Solve for x
    x = 398,969,653,598.82/832,012.98
  6. Step 6: Final answer
    x = 479,523.35

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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.