Home / 741,142.20-1,112,231.70-475,548.60

Finding the Fourth Proportional to 741,142.20, 1,112,231.70 and 475,548.60

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Solution

The fourth proportional to 741,142.20, 1,112,231.70 and 475,548.60 is: 713,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,142.20 : 1,112,231.70 = 475,548.60 : x
  2. Step 2: Convert to fraction form
    741,142.20/1,112,231.70 = 475,548.60/x
  3. Step 3: Cross multiply
    741,142.20x = 1,112,231.70 × 475,548.60
  4. Step 4: Simplify right side
    741,142.20x = 528,920,227,810.62
  5. Step 5: Solve for x
    x = 528,920,227,810.62/741,142.20
  6. Step 6: Final answer
    x = 713,655.53

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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.