Home / 784,428.55-1,176,806.85-252,003.40

Finding the Fourth Proportional to 784,428.55, 1,176,806.85 and 252,003.40

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Solution

The fourth proportional to 784,428.55, 1,176,806.85 and 252,003.40 is: 378,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,428.55 : 1,176,806.85 = 252,003.40 : x
  2. Step 2: Convert to fraction form
    784,428.55/1,176,806.85 = 252,003.40/x
  3. Step 3: Cross multiply
    784,428.55x = 1,176,806.85 × 252,003.40
  4. Step 4: Simplify right side
    784,428.55x = 296,559,327,343.29
  5. Step 5: Solve for x
    x = 296,559,327,343.29/784,428.55
  6. Step 6: Final answer
    x = 378,057.79

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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.