Home / 792,754.47-1,189,089.23-280,384.11

Finding the Fourth Proportional to 792,754.47, 1,189,089.23 and 280,384.11

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Solution

The fourth proportional to 792,754.47, 1,189,089.23 and 280,384.11 is: 420,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,754.47 : 1,189,089.23 = 280,384.11 : x
  2. Step 2: Convert to fraction form
    792,754.47/1,189,089.23 = 280,384.11/x
  3. Step 3: Cross multiply
    792,754.47x = 1,189,089.23 × 280,384.11
  4. Step 4: Simplify right side
    792,754.47x = 333,401,724,062.22
  5. Step 5: Solve for x
    x = 333,401,724,062.22/792,754.47
  6. Step 6: Final answer
    x = 420,561.14

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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.