Home / 784,430.05-1,176,809.10-252,004.90

Finding the Fourth Proportional to 784,430.05, 1,176,809.10 and 252,004.90

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Solution

The fourth proportional to 784,430.05, 1,176,809.10 and 252,004.90 is: 378,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,430.05 : 1,176,809.10 = 252,004.90 : x
  2. Step 2: Convert to fraction form
    784,430.05/1,176,809.10 = 252,004.90/x
  3. Step 3: Cross multiply
    784,430.05x = 1,176,809.10 × 252,004.90
  4. Step 4: Simplify right side
    784,430.05x = 296,561,659,564.59
  5. Step 5: Solve for x
    x = 296,561,659,564.59/784,430.05
  6. Step 6: Final answer
    x = 378,060.04

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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.