Home / 784,832.80-1,177,249.20-731,688.70

Finding the Fourth Proportional to 784,832.80, 1,177,249.20 and 731,688.70

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Solution

The fourth proportional to 784,832.80, 1,177,249.20 and 731,688.70 is: 1,097,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,832.80 : 1,177,249.20 = 731,688.70 : x
  2. Step 2: Convert to fraction form
    784,832.80/1,177,249.20 = 731,688.70/x
  3. Step 3: Cross multiply
    784,832.80x = 1,177,249.20 × 731,688.70
  4. Step 4: Simplify right side
    784,832.80x = 861,379,936,724.04
  5. Step 5: Solve for x
    x = 861,379,936,724.04/784,832.80
  6. Step 6: Final answer
    x = 1,097,533.05

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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.