Home / 756,577.12-1,135,031.64-224,139.76

Finding the Fourth Proportional to 756,577.12, 1,135,031.64 and 224,139.76

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Solution

The fourth proportional to 756,577.12, 1,135,031.64 and 224,139.76 is: 336,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,577.12 : 1,135,031.64 = 224,139.76 : x
  2. Step 2: Convert to fraction form
    756,577.12/1,135,031.64 = 224,139.76/x
  3. Step 3: Cross multiply
    756,577.12x = 1,135,031.64 × 224,139.76
  4. Step 4: Simplify right side
    756,577.12x = 254,405,719,382.01
  5. Step 5: Solve for x
    x = 254,405,719,382.01/756,577.12
  6. Step 6: Final answer
    x = 336,258.81

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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.