Home / 726,673.09-1,002,794.01-454,890.84

Finding the Fourth Proportional to 726,673.09, 1,002,794.01 and 454,890.84

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Solution

The fourth proportional to 726,673.09, 1,002,794.01 and 454,890.84 is: 627,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,673.09 : 1,002,794.01 = 454,890.84 : x
  2. Step 2: Convert to fraction form
    726,673.09/1,002,794.01 = 454,890.84/x
  3. Step 3: Cross multiply
    726,673.09x = 1,002,794.01 × 454,890.84
  4. Step 4: Simplify right side
    726,673.09x = 456,161,809,555.87
  5. Step 5: Solve for x
    x = 456,161,809,555.87/726,673.09
  6. Step 6: Final answer
    x = 627,740.06

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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.