Home / 632,148.87-871,620.05-510,915.27

Finding the Fourth Proportional to 632,148.87, 871,620.05 and 510,915.27

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Solution

The fourth proportional to 632,148.87, 871,620.05 and 510,915.27 is: 704,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,148.87 : 871,620.05 = 510,915.27 : x
  2. Step 2: Convert to fraction form
    632,148.87/871,620.05 = 510,915.27/x
  3. Step 3: Cross multiply
    632,148.87x = 871,620.05 × 510,915.27
  4. Step 4: Simplify right side
    632,148.87x = 445,323,993,183.16
  5. Step 5: Solve for x
    x = 445,323,993,183.16/632,148.87
  6. Step 6: Final answer
    x = 704,460.63

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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.