Home / 521,482.20-782,072.64-237,014.28

Finding the Fourth Proportional to 521,482.20, 782,072.64 and 237,014.28

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Solution

The fourth proportional to 521,482.20, 782,072.64 and 237,014.28 is: 355,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,482.20 : 782,072.64 = 237,014.28 : x
  2. Step 2: Convert to fraction form
    521,482.20/782,072.64 = 237,014.28/x
  3. Step 3: Cross multiply
    521,482.20x = 782,072.64 × 237,014.28
  4. Step 4: Simplify right side
    521,482.20x = 185,362,383,677.30
  5. Step 5: Solve for x
    x = 185,362,383,677.30/521,482.20
  6. Step 6: Final answer
    x = 355,452.94

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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.