Home / 828,792.55-1,143,051.37-488,932.75

Finding the Fourth Proportional to 828,792.55, 1,143,051.37 and 488,932.75

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Solution

The fourth proportional to 828,792.55, 1,143,051.37 and 488,932.75 is: 674,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,792.55 : 1,143,051.37 = 488,932.75 : x
  2. Step 2: Convert to fraction form
    828,792.55/1,143,051.37 = 488,932.75/x
  3. Step 3: Cross multiply
    828,792.55x = 1,143,051.37 × 488,932.75
  4. Step 4: Simplify right side
    828,792.55x = 558,875,249,725.37
  5. Step 5: Solve for x
    x = 558,875,249,725.37/828,792.55
  6. Step 6: Final answer
    x = 674,324.65

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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.