Home / 871,004.10-1,306,505.52-272,016.58

Finding the Fourth Proportional to 871,004.10, 1,306,505.52 and 272,016.58

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Solution

The fourth proportional to 871,004.10, 1,306,505.52 and 272,016.58 is: 408,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,004.10 : 1,306,505.52 = 272,016.58 : x
  2. Step 2: Convert to fraction form
    871,004.10/1,306,505.52 = 272,016.58/x
  3. Step 3: Cross multiply
    871,004.10x = 1,306,505.52 × 272,016.58
  4. Step 4: Simplify right side
    871,004.10x = 355,391,163,301.52
  5. Step 5: Solve for x
    x = 355,391,163,301.52/871,004.10
  6. Step 6: Final answer
    x = 408,024.67

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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.