Home / 828,874.62-1,143,781.56-466,226.28

Finding the Fourth Proportional to 828,874.62, 1,143,781.56 and 466,226.28

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Solution

The fourth proportional to 828,874.62, 1,143,781.56 and 466,226.28 is: 643,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,874.62 : 1,143,781.56 = 466,226.28 : x
  2. Step 2: Convert to fraction form
    828,874.62/1,143,781.56 = 466,226.28/x
  3. Step 3: Cross multiply
    828,874.62x = 1,143,781.56 × 466,226.28
  4. Step 4: Simplify right side
    828,874.62x = 533,261,021,851.40
  5. Step 5: Solve for x
    x = 533,261,021,851.40/828,874.62
  6. Step 6: Final answer
    x = 643,355.47

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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.