Home / 741,618.48-1,112,759.40-342,045.60

Finding the Fourth Proportional to 741,618.48, 1,112,759.40 and 342,045.60

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Solution

The fourth proportional to 741,618.48, 1,112,759.40 and 342,045.60 is: 513,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,618.48 : 1,112,759.40 = 342,045.60 : x
  2. Step 2: Convert to fraction form
    741,618.48/1,112,759.40 = 342,045.60/x
  3. Step 3: Cross multiply
    741,618.48x = 1,112,759.40 × 342,045.60
  4. Step 4: Simplify right side
    741,618.48x = 380,614,456,628.64
  5. Step 5: Solve for x
    x = 380,614,456,628.64/741,618.48
  6. Step 6: Final answer
    x = 513,221.38

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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.