Home / 639,461.24-958,984.16-212,882.48

Finding the Fourth Proportional to 639,461.24, 958,984.16 and 212,882.48

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Solution

The fourth proportional to 639,461.24, 958,984.16 and 212,882.48 is: 319,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,461.24 : 958,984.16 = 212,882.48 : x
  2. Step 2: Convert to fraction form
    639,461.24/958,984.16 = 212,882.48/x
  3. Step 3: Cross multiply
    639,461.24x = 958,984.16 × 212,882.48
  4. Step 4: Simplify right side
    639,461.24x = 204,150,926,261.52
  5. Step 5: Solve for x
    x = 204,150,926,261.52/639,461.24
  6. Step 6: Final answer
    x = 319,254.57

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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.