Home / 806,599.20-1,209,898.80-245,632.80

Finding the Fourth Proportional to 806,599.20, 1,209,898.80 and 245,632.80

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Solution

The fourth proportional to 806,599.20, 1,209,898.80 and 245,632.80 is: 368,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,599.20 : 1,209,898.80 = 245,632.80 : x
  2. Step 2: Convert to fraction form
    806,599.20/1,209,898.80 = 245,632.80/x
  3. Step 3: Cross multiply
    806,599.20x = 1,209,898.80 × 245,632.80
  4. Step 4: Simplify right side
    806,599.20x = 297,190,829,960.64
  5. Step 5: Solve for x
    x = 297,190,829,960.64/806,599.20
  6. Step 6: Final answer
    x = 368,449.20

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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.