Home / 843,149.99-1,264,741.43-310,396.79

Finding the Fourth Proportional to 843,149.99, 1,264,741.43 and 310,396.79

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Solution

The fourth proportional to 843,149.99, 1,264,741.43 and 310,396.79 is: 465,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,149.99 : 1,264,741.43 = 310,396.79 : x
  2. Step 2: Convert to fraction form
    843,149.99/1,264,741.43 = 310,396.79/x
  3. Step 3: Cross multiply
    843,149.99x = 1,264,741.43 × 310,396.79
  4. Step 4: Simplify right side
    843,149.99x = 392,571,681,661.88
  5. Step 5: Solve for x
    x = 392,571,681,661.88/843,149.99
  6. Step 6: Final answer
    x = 465,601.24

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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.