Home / 828,830.92-1,143,785.03-466,255.06

Finding the Fourth Proportional to 828,830.92, 1,143,785.03 and 466,255.06

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Solution

The fourth proportional to 828,830.92, 1,143,785.03 and 466,255.06 is: 643,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,830.92 : 1,143,785.03 = 466,255.06 : x
  2. Step 2: Convert to fraction form
    828,830.92/1,143,785.03 = 466,255.06/x
  3. Step 3: Cross multiply
    828,830.92x = 1,143,785.03 × 466,255.06
  4. Step 4: Simplify right side
    828,830.92x = 533,295,557,789.75
  5. Step 5: Solve for x
    x = 533,295,557,789.75/828,830.92
  6. Step 6: Final answer
    x = 643,431.06

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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.