Home / 806,960.80-1,210,441.20-492,032.80

Finding the Fourth Proportional to 806,960.80, 1,210,441.20 and 492,032.80

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Solution

The fourth proportional to 806,960.80, 1,210,441.20 and 492,032.80 is: 738,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,960.80 : 1,210,441.20 = 492,032.80 : x
  2. Step 2: Convert to fraction form
    806,960.80/1,210,441.20 = 492,032.80/x
  3. Step 3: Cross multiply
    806,960.80x = 1,210,441.20 × 492,032.80
  4. Step 4: Simplify right side
    806,960.80x = 595,576,772,871.36
  5. Step 5: Solve for x
    x = 595,576,772,871.36/806,960.80
  6. Step 6: Final answer
    x = 738,049.20

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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.