Home / 792,738.47-1,189,065.29-280,368.11

Finding the Fourth Proportional to 792,738.47, 1,189,065.29 and 280,368.11

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Solution

The fourth proportional to 792,738.47, 1,189,065.29 and 280,368.11 is: 420,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,738.47 : 1,189,065.29 = 280,368.11 : x
  2. Step 2: Convert to fraction form
    792,738.47/1,189,065.29 = 280,368.11/x
  3. Step 3: Cross multiply
    792,738.47x = 1,189,065.29 × 280,368.11
  4. Step 4: Simplify right side
    792,738.47x = 333,375,986,622.06
  5. Step 5: Solve for x
    x = 333,375,986,622.06/792,738.47
  6. Step 6: Final answer
    x = 420,537.16

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1.5x scale

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.