Home / 771,196.78-1,155,288.57-531,268.30

Finding the Fourth Proportional to 771,196.78, 1,155,288.57 and 531,268.30

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Solution

The fourth proportional to 771,196.78, 1,155,288.57 and 531,268.30 is: 795,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,196.78 : 1,155,288.57 = 531,268.30 : x
  2. Step 2: Convert to fraction form
    771,196.78/1,155,288.57 = 531,268.30/x
  3. Step 3: Cross multiply
    771,196.78x = 1,155,288.57 × 531,268.30
  4. Step 4: Simplify right side
    771,196.78x = 613,768,194,593.33
  5. Step 5: Solve for x
    x = 613,768,194,593.33/771,196.78
  6. Step 6: Final answer
    x = 795,864.57

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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.