Home / 649,820.44-974,886.18-329,172.76

Finding the Fourth Proportional to 649,820.44, 974,886.18 and 329,172.76

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Solution

The fourth proportional to 649,820.44, 974,886.18 and 329,172.76 is: 493,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,820.44 : 974,886.18 = 329,172.76 : x
  2. Step 2: Convert to fraction form
    649,820.44/974,886.18 = 329,172.76/x
  3. Step 3: Cross multiply
    649,820.44x = 974,886.18 × 329,172.76
  4. Step 4: Simplify right side
    649,820.44x = 320,905,974,556.46
  5. Step 5: Solve for x
    x = 320,905,974,556.46/649,820.44
  6. Step 6: Final answer
    x = 493,837.92

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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.