Home / 674,863.84-1,011,965.28-225,430.48

Finding the Fourth Proportional to 674,863.84, 1,011,965.28 and 225,430.48

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Solution

The fourth proportional to 674,863.84, 1,011,965.28 and 225,430.48 is: 338,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,863.84 : 1,011,965.28 = 225,430.48 : x
  2. Step 2: Convert to fraction form
    674,863.84/1,011,965.28 = 225,430.48/x
  3. Step 3: Cross multiply
    674,863.84x = 1,011,965.28 × 225,430.48
  4. Step 4: Simplify right side
    674,863.84x = 228,127,818,813.73
  5. Step 5: Solve for x
    x = 228,127,818,813.73/674,863.84
  6. Step 6: Final answer
    x = 338,035.33

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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.