Home / 916,221.74-1,374,713.79-403,624.54

Finding the Fourth Proportional to 916,221.74, 1,374,713.79 and 403,624.54

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Solution

The fourth proportional to 916,221.74, 1,374,713.79 and 403,624.54 is: 605,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,221.74 : 1,374,713.79 = 403,624.54 : x
  2. Step 2: Convert to fraction form
    916,221.74/1,374,713.79 = 403,624.54/x
  3. Step 3: Cross multiply
    916,221.74x = 1,374,713.79 × 403,624.54
  4. Step 4: Simplify right side
    916,221.74x = 554,868,216,016.43
  5. Step 5: Solve for x
    x = 554,868,216,016.43/916,221.74
  6. Step 6: Final answer
    x = 605,604.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.