Home / 826,834.04-1,140,961.20-500,268.68

Finding the Fourth Proportional to 826,834.04, 1,140,961.20 and 500,268.68

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Solution

The fourth proportional to 826,834.04, 1,140,961.20 and 500,268.68 is: 690,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,834.04 : 1,140,961.20 = 500,268.68 : x
  2. Step 2: Convert to fraction form
    826,834.04/1,140,961.20 = 500,268.68/x
  3. Step 3: Cross multiply
    826,834.04x = 1,140,961.20 × 500,268.68
  4. Step 4: Simplify right side
    826,834.04x = 570,787,153,455.22
  5. Step 5: Solve for x
    x = 570,787,153,455.22/826,834.04
  6. Step 6: Final answer
    x = 690,328.56

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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.