Home / 742,150.53-1,113,222.99-268,725.15

Finding the Fourth Proportional to 742,150.53, 1,113,222.99 and 268,725.15

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Solution

The fourth proportional to 742,150.53, 1,113,222.99 and 268,725.15 is: 403,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,150.53 : 1,113,222.99 = 268,725.15 : x
  2. Step 2: Convert to fraction form
    742,150.53/1,113,222.99 = 268,725.15/x
  3. Step 3: Cross multiply
    742,150.53x = 1,113,222.99 × 268,725.15
  4. Step 4: Simplify right side
    742,150.53x = 299,151,014,971.20
  5. Step 5: Solve for x
    x = 299,151,014,971.20/742,150.53
  6. Step 6: Final answer
    x = 403,086.71

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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.