Home / 724,250.74-999,453.56-401,974.42

Finding the Fourth Proportional to 724,250.74, 999,453.56 and 401,974.42

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Solution

The fourth proportional to 724,250.74, 999,453.56 and 401,974.42 is: 554,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,250.74 : 999,453.56 = 401,974.42 : x
  2. Step 2: Convert to fraction form
    724,250.74/999,453.56 = 401,974.42/x
  3. Step 3: Cross multiply
    724,250.74x = 999,453.56 × 401,974.42
  4. Step 4: Simplify right side
    724,250.74x = 401,754,765,097.94
  5. Step 5: Solve for x
    x = 401,754,765,097.94/724,250.74
  6. Step 6: Final answer
    x = 554,717.78

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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.