Home / 742,228.46-1,113,415.59-209,753.54

Finding the Fourth Proportional to 742,228.46, 1,113,415.59 and 209,753.54

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Solution

The fourth proportional to 742,228.46, 1,113,415.59 and 209,753.54 is: 314,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,228.46 : 1,113,415.59 = 209,753.54 : x
  2. Step 2: Convert to fraction form
    742,228.46/1,113,415.59 = 209,753.54/x
  3. Step 3: Cross multiply
    742,228.46x = 1,113,415.59 × 209,753.54
  4. Step 4: Simplify right side
    742,228.46x = 233,542,861,493.69
  5. Step 5: Solve for x
    x = 233,542,861,493.69/742,228.46
  6. Step 6: Final answer
    x = 314,650.91

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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.