Home / 542,341.37-748,419.19-300,621.83

Finding the Fourth Proportional to 542,341.37, 748,419.19 and 300,621.83

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Solution

The fourth proportional to 542,341.37, 748,419.19 and 300,621.83 is: 414,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,341.37 : 748,419.19 = 300,621.83 : x
  2. Step 2: Convert to fraction form
    542,341.37/748,419.19 = 300,621.83/x
  3. Step 3: Cross multiply
    542,341.37x = 748,419.19 × 300,621.83
  4. Step 4: Simplify right side
    542,341.37x = 224,991,147,912.12
  5. Step 5: Solve for x
    x = 224,991,147,912.12/542,341.37
  6. Step 6: Final answer
    x = 414,851.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.