Home / 806,980.30-1,210,470.45-492,052.30

Finding the Fourth Proportional to 806,980.30, 1,210,470.45 and 492,052.30

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Solution

The fourth proportional to 806,980.30, 1,210,470.45 and 492,052.30 is: 738,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,980.30 : 1,210,470.45 = 492,052.30 : x
  2. Step 2: Convert to fraction form
    806,980.30/1,210,470.45 = 492,052.30/x
  3. Step 3: Cross multiply
    806,980.30x = 1,210,470.45 × 492,052.30
  4. Step 4: Simplify right side
    806,980.30x = 595,614,769,004.54
  5. Step 5: Solve for x
    x = 595,614,769,004.54/806,980.30
  6. Step 6: Final answer
    x = 738,078.45

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1.5x scale

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.