Home / 821,425.80-1,133,562.80-458,848.56

Finding the Fourth Proportional to 821,425.80, 1,133,562.80 and 458,848.56

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Solution

The fourth proportional to 821,425.80, 1,133,562.80 and 458,848.56 is: 633,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,425.80 : 1,133,562.80 = 458,848.56 : x
  2. Step 2: Convert to fraction form
    821,425.80/1,133,562.80 = 458,848.56/x
  3. Step 3: Cross multiply
    821,425.80x = 1,133,562.80 × 458,848.56
  4. Step 4: Simplify right side
    821,425.80x = 520,133,658,449.57
  5. Step 5: Solve for x
    x = 520,133,658,449.57/821,425.80
  6. Step 6: Final answer
    x = 633,208.33

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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.