Home / 821,555.20-1,133,634-458,934.22

Finding the Fourth Proportional to 821,555.20, 1,133,634 and 458,934.22

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Solution

The fourth proportional to 821,555.20, 1,133,634 and 458,934.22 is: 633,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,555.20 : 1,133,634 = 458,934.22 : x
  2. Step 2: Convert to fraction form
    821,555.20/1,133,634 = 458,934.22/x
  3. Step 3: Cross multiply
    821,555.20x = 1,133,634 × 458,934.22
  4. Step 4: Simplify right side
    821,555.20x = 520,263,435,555.48
  5. Step 5: Solve for x
    x = 520,263,435,555.48/821,555.20
  6. Step 6: Final answer
    x = 633,266.56

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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.