Home / 639,172.76-882,028.86-367,049.18

Finding the Fourth Proportional to 639,172.76, 882,028.86 and 367,049.18

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Solution

The fourth proportional to 639,172.76, 882,028.86 and 367,049.18 is: 506,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,172.76 : 882,028.86 = 367,049.18 : x
  2. Step 2: Convert to fraction form
    639,172.76/882,028.86 = 367,049.18/x
  3. Step 3: Cross multiply
    639,172.76x = 882,028.86 × 367,049.18
  4. Step 4: Simplify right side
    639,172.76x = 323,747,969,799.34
  5. Step 5: Solve for x
    x = 323,747,969,799.34/639,172.76
  6. Step 6: Final answer
    x = 506,510.90

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1.5x scale

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.