Home / 763,931.54-1,145,910.98-231,452.63

Finding the Fourth Proportional to 763,931.54, 1,145,910.98 and 231,452.63

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Solution

The fourth proportional to 763,931.54, 1,145,910.98 and 231,452.63 is: 347,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,931.54 : 1,145,910.98 = 231,452.63 : x
  2. Step 2: Convert to fraction form
    763,931.54/1,145,910.98 = 231,452.63/x
  3. Step 3: Cross multiply
    763,931.54x = 1,145,910.98 × 231,452.63
  4. Step 4: Simplify right side
    763,931.54x = 265,224,103,180.06
  5. Step 5: Solve for x
    x = 265,224,103,180.06/763,931.54
  6. Step 6: Final answer
    x = 347,183.08

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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.