Home / 771,487.26-1,157,339.39-322,105.94

Finding the Fourth Proportional to 771,487.26, 1,157,339.39 and 322,105.94

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Solution

The fourth proportional to 771,487.26, 1,157,339.39 and 322,105.94 is: 483,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,487.26 : 1,157,339.39 = 322,105.94 : x
  2. Step 2: Convert to fraction form
    771,487.26/1,157,339.39 = 322,105.94/x
  3. Step 3: Cross multiply
    771,487.26x = 1,157,339.39 × 322,105.94
  4. Step 4: Simplify right side
    771,487.26x = 372,785,884,717.75
  5. Step 5: Solve for x
    x = 372,785,884,717.75/771,487.26
  6. Step 6: Final answer
    x = 483,204.20

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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.