Home / 806,630.40-1,210,118.40-245,721.60

Finding the Fourth Proportional to 806,630.40, 1,210,118.40 and 245,721.60

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Solution

The fourth proportional to 806,630.40, 1,210,118.40 and 245,721.60 is: 368,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,630.40 : 1,210,118.40 = 245,721.60 : x
  2. Step 2: Convert to fraction form
    806,630.40/1,210,118.40 = 245,721.60/x
  3. Step 3: Cross multiply
    806,630.40x = 1,210,118.40 × 245,721.60
  4. Step 4: Simplify right side
    806,630.40x = 297,352,229,437.44
  5. Step 5: Solve for x
    x = 297,352,229,437.44/806,630.40
  6. Step 6: Final answer
    x = 368,635.04

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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.