Home / 719,657.46-1,079,489.97-298,933.74

Finding the Fourth Proportional to 719,657.46, 1,079,489.97 and 298,933.74

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Solution

The fourth proportional to 719,657.46, 1,079,489.97 and 298,933.74 is: 448,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,657.46 : 1,079,489.97 = 298,933.74 : x
  2. Step 2: Convert to fraction form
    719,657.46/1,079,489.97 = 298,933.74/x
  3. Step 3: Cross multiply
    719,657.46x = 1,079,489.97 × 298,933.74
  4. Step 4: Simplify right side
    719,657.46x = 322,695,974,024.59
  5. Step 5: Solve for x
    x = 322,695,974,024.59/719,657.46
  6. Step 6: Final answer
    x = 448,402.18

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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.