Home / 740,517.94-1,109,936.91-340,331.59

Finding the Fourth Proportional to 740,517.94, 1,109,936.91 and 340,331.59

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Solution

The fourth proportional to 740,517.94, 1,109,936.91 and 340,331.59 is: 510,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,517.94 : 1,109,936.91 = 340,331.59 : x
  2. Step 2: Convert to fraction form
    740,517.94/1,109,936.91 = 340,331.59/x
  3. Step 3: Cross multiply
    740,517.94x = 1,109,936.91 × 340,331.59
  4. Step 4: Simplify right side
    740,517.94x = 377,746,587,830.30
  5. Step 5: Solve for x
    x = 377,746,587,830.30/740,517.94
  6. Step 6: Final answer
    x = 510,111.33

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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.