Home / 789,872.24-1,184,686.68-257,391.92

Finding the Fourth Proportional to 789,872.24, 1,184,686.68 and 257,391.92

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Solution

The fourth proportional to 789,872.24, 1,184,686.68 and 257,391.92 is: 386,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,872.24 : 1,184,686.68 = 257,391.92 : x
  2. Step 2: Convert to fraction form
    789,872.24/1,184,686.68 = 257,391.92/x
  3. Step 3: Cross multiply
    789,872.24x = 1,184,686.68 × 257,391.92
  4. Step 4: Simplify right side
    789,872.24x = 304,928,779,163.63
  5. Step 5: Solve for x
    x = 304,928,779,163.63/789,872.24
  6. Step 6: Final answer
    x = 386,048.23

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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.