Home / 955,742.49-1,432,810.22-639,233.37

Finding the Fourth Proportional to 955,742.49, 1,432,810.22 and 639,233.37

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Solution

The fourth proportional to 955,742.49, 1,432,810.22 and 639,233.37 is: 958,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,742.49 : 1,432,810.22 = 639,233.37 : x
  2. Step 2: Convert to fraction form
    955,742.49/1,432,810.22 = 639,233.37/x
  3. Step 3: Cross multiply
    955,742.49x = 1,432,810.22 × 639,233.37
  4. Step 4: Simplify right side
    955,742.49x = 915,900,102,304.88
  5. Step 5: Solve for x
    x = 915,900,102,304.88/955,742.49
  6. Step 6: Final answer
    x = 958,312.63

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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.