Home / 726,716.59-1,002,916.01-404,425.69

Finding the Fourth Proportional to 726,716.59, 1,002,916.01 and 404,425.69

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Solution

The fourth proportional to 726,716.59, 1,002,916.01 and 404,425.69 is: 558,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,716.59 : 1,002,916.01 = 404,425.69 : x
  2. Step 2: Convert to fraction form
    726,716.59/1,002,916.01 = 404,425.69/x
  3. Step 3: Cross multiply
    726,716.59x = 1,002,916.01 × 404,425.69
  4. Step 4: Simplify right side
    726,716.59x = 405,604,999,356.30
  5. Step 5: Solve for x
    x = 405,604,999,356.30/726,716.59
  6. Step 6: Final answer
    x = 558,133.67

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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.