Home / 788,501.20-1,182,622.36-219,921

Finding the Fourth Proportional to 788,501.20, 1,182,622.36 and 219,921

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Solution

The fourth proportional to 788,501.20, 1,182,622.36 and 219,921 is: 329,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,501.20 : 1,182,622.36 = 219,921 : x
  2. Step 2: Convert to fraction form
    788,501.20/1,182,622.36 = 219,921/x
  3. Step 3: Cross multiply
    788,501.20x = 1,182,622.36 × 219,921
  4. Step 4: Simplify right side
    788,501.20x = 260,083,492,033.56
  5. Step 5: Solve for x
    x = 260,083,492,033.56/788,501.20
  6. Step 6: Final answer
    x = 329,845.40

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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.