Home / 771,427.78-1,156,918.16-231,662.28

Finding the Fourth Proportional to 771,427.78, 1,156,918.16 and 231,662.28

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Solution

The fourth proportional to 771,427.78, 1,156,918.16 and 231,662.28 is: 347,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,427.78 : 1,156,918.16 = 231,662.28 : x
  2. Step 2: Convert to fraction form
    771,427.78/1,156,918.16 = 231,662.28/x
  3. Step 3: Cross multiply
    771,427.78x = 1,156,918.16 × 231,662.28
  4. Step 4: Simplify right side
    771,427.78x = 268,014,298,719.01
  5. Step 5: Solve for x
    x = 268,014,298,719.01/771,427.78
  6. Step 6: Final answer
    x = 347,426.30

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1.5x scale

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.