Home / 828,849.57-1,143,878.81-466,251.81

Finding the Fourth Proportional to 828,849.57, 1,143,878.81 and 466,251.81

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Solution

The fourth proportional to 828,849.57, 1,143,878.81 and 466,251.81 is: 643,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,849.57 : 1,143,878.81 = 466,251.81 : x
  2. Step 2: Convert to fraction form
    828,849.57/1,143,878.81 = 466,251.81/x
  3. Step 3: Cross multiply
    828,849.57x = 1,143,878.81 × 466,251.81
  4. Step 4: Simplify right side
    828,849.57x = 533,335,563,251.89
  5. Step 5: Solve for x
    x = 533,335,563,251.89/828,849.57
  6. Step 6: Final answer
    x = 643,464.85

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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.