Home / 521,492.20-782,087.64-237,024.28

Finding the Fourth Proportional to 521,492.20, 782,087.64 and 237,024.28

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Solution

The fourth proportional to 521,492.20, 782,087.64 and 237,024.28 is: 355,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,492.20 : 782,087.64 = 237,024.28 : x
  2. Step 2: Convert to fraction form
    521,492.20/782,087.64 = 237,024.28/x
  3. Step 3: Cross multiply
    521,492.20x = 782,087.64 × 237,024.28
  4. Step 4: Simplify right side
    521,492.20x = 185,373,759,767.90
  5. Step 5: Solve for x
    x = 185,373,759,767.90/521,492.20
  6. Step 6: Final answer
    x = 355,467.94

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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.