Home / 726,450.67-1,002,084.47-454,045.81

Finding the Fourth Proportional to 726,450.67, 1,002,084.47 and 454,045.81

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Solution

The fourth proportional to 726,450.67, 1,002,084.47 and 454,045.81 is: 626,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,450.67 : 1,002,084.47 = 454,045.81 : x
  2. Step 2: Convert to fraction form
    726,450.67/1,002,084.47 = 454,045.81/x
  3. Step 3: Cross multiply
    726,450.67x = 1,002,084.47 × 454,045.81
  4. Step 4: Simplify right side
    726,450.67x = 454,992,250,094.13
  5. Step 5: Solve for x
    x = 454,992,250,094.13/726,450.67
  6. Step 6: Final answer
    x = 626,322.30

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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.