Home / 821,022.12-1,132,999.80-458,452.17

Finding the Fourth Proportional to 821,022.12, 1,132,999.80 and 458,452.17

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Solution

The fourth proportional to 821,022.12, 1,132,999.80 and 458,452.17 is: 632,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,022.12 : 1,132,999.80 = 458,452.17 : x
  2. Step 2: Convert to fraction form
    821,022.12/1,132,999.80 = 458,452.17/x
  3. Step 3: Cross multiply
    821,022.12x = 1,132,999.80 × 458,452.17
  4. Step 4: Simplify right side
    821,022.12x = 519,426,216,919.57
  5. Step 5: Solve for x
    x = 519,426,216,919.57/821,022.12
  6. Step 6: Final answer
    x = 632,658.01

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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.