Home / 721,288.54-1,082,031.24-300,466

Finding the Fourth Proportional to 721,288.54, 1,082,031.24 and 300,466

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Solution

The fourth proportional to 721,288.54, 1,082,031.24 and 300,466 is: 450,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,288.54 : 1,082,031.24 = 300,466 : x
  2. Step 2: Convert to fraction form
    721,288.54/1,082,031.24 = 300,466/x
  3. Step 3: Cross multiply
    721,288.54x = 1,082,031.24 × 300,466
  4. Step 4: Simplify right side
    721,288.54x = 325,113,598,557.84
  5. Step 5: Solve for x
    x = 325,113,598,557.84/721,288.54
  6. Step 6: Final answer
    x = 450,740.00

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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.