Home / 784,828.80-1,177,243.20-731,684.70

Finding the Fourth Proportional to 784,828.80, 1,177,243.20 and 731,684.70

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Solution

The fourth proportional to 784,828.80, 1,177,243.20 and 731,684.70 is: 1,097,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,828.80 : 1,177,243.20 = 731,684.70 : x
  2. Step 2: Convert to fraction form
    784,828.80/1,177,243.20 = 731,684.70/x
  3. Step 3: Cross multiply
    784,828.80x = 1,177,243.20 × 731,684.70
  4. Step 4: Simplify right side
    784,828.80x = 861,370,837,619.04
  5. Step 5: Solve for x
    x = 861,370,837,619.04/784,828.80
  6. Step 6: Final answer
    x = 1,097,527.05

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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.