Home / 828,614.16-1,143,575.28-506,512.80

Finding the Fourth Proportional to 828,614.16, 1,143,575.28 and 506,512.80

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Solution

The fourth proportional to 828,614.16, 1,143,575.28 and 506,512.80 is: 699,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,614.16 : 1,143,575.28 = 506,512.80 : x
  2. Step 2: Convert to fraction form
    828,614.16/1,143,575.28 = 506,512.80/x
  3. Step 3: Cross multiply
    828,614.16x = 1,143,575.28 × 506,512.80
  4. Step 4: Simplify right side
    828,614.16x = 579,235,517,083.58
  5. Step 5: Solve for x
    x = 579,235,517,083.58/828,614.16
  6. Step 6: Final answer
    x = 699,041.30

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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.