Home / 828,479.00-1,143,290.13-465,902.76

Finding the Fourth Proportional to 828,479.00, 1,143,290.13 and 465,902.76

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Solution

The fourth proportional to 828,479.00, 1,143,290.13 and 465,902.76 is: 642,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,479.00 : 1,143,290.13 = 465,902.76 : x
  2. Step 2: Convert to fraction form
    828,479.00/1,143,290.13 = 465,902.76/x
  3. Step 3: Cross multiply
    828,479.00x = 1,143,290.13 × 465,902.76
  4. Step 4: Simplify right side
    828,479.00x = 532,662,028,337.96
  5. Step 5: Solve for x
    x = 532,662,028,337.96/828,479.00
  6. Step 6: Final answer
    x = 642,939.69

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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.