Home / 648,307.88-972,467.28-227,583.75

Finding the Fourth Proportional to 648,307.88, 972,467.28 and 227,583.75

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Solution

The fourth proportional to 648,307.88, 972,467.28 and 227,583.75 is: 341,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,307.88 : 972,467.28 = 227,583.75 : x
  2. Step 2: Convert to fraction form
    648,307.88/972,467.28 = 227,583.75/x
  3. Step 3: Cross multiply
    648,307.88x = 972,467.28 × 227,583.75
  4. Step 4: Simplify right side
    648,307.88x = 221,317,750,334.70
  5. Step 5: Solve for x
    x = 221,317,750,334.70/648,307.88
  6. Step 6: Final answer
    x = 341,377.54

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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.