Home / 862,272.02-1,189,972.14-480,299

Finding the Fourth Proportional to 862,272.02, 1,189,972.14 and 480,299

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Solution

The fourth proportional to 862,272.02, 1,189,972.14 and 480,299 is: 662,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,272.02 : 1,189,972.14 = 480,299 : x
  2. Step 2: Convert to fraction form
    862,272.02/1,189,972.14 = 480,299/x
  3. Step 3: Cross multiply
    862,272.02x = 1,189,972.14 × 480,299
  4. Step 4: Simplify right side
    862,272.02x = 571,542,428,869.86
  5. Step 5: Solve for x
    x = 571,542,428,869.86/862,272.02
  6. Step 6: Final answer
    x = 662,833.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.