Home / 821,323.88-1,133,415.02-458,752.90

Finding the Fourth Proportional to 821,323.88, 1,133,415.02 and 458,752.90

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Solution

The fourth proportional to 821,323.88, 1,133,415.02 and 458,752.90 is: 633,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,323.88 : 1,133,415.02 = 458,752.90 : x
  2. Step 2: Convert to fraction form
    821,323.88/1,133,415.02 = 458,752.90/x
  3. Step 3: Cross multiply
    821,323.88x = 1,133,415.02 × 458,752.90
  4. Step 4: Simplify right side
    821,323.88x = 519,957,419,367.72
  5. Step 5: Solve for x
    x = 519,957,419,367.72/821,323.88
  6. Step 6: Final answer
    x = 633,072.33

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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.