Home / 807,004.80-1,210,507.20-492,076.80

Finding the Fourth Proportional to 807,004.80, 1,210,507.20 and 492,076.80

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Solution

The fourth proportional to 807,004.80, 1,210,507.20 and 492,076.80 is: 738,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,004.80 : 1,210,507.20 = 492,076.80 : x
  2. Step 2: Convert to fraction form
    807,004.80/1,210,507.20 = 492,076.80/x
  3. Step 3: Cross multiply
    807,004.80x = 1,210,507.20 × 492,076.80
  4. Step 4: Simplify right side
    807,004.80x = 595,662,509,352.96
  5. Step 5: Solve for x
    x = 595,662,509,352.96/807,004.80
  6. Step 6: Final answer
    x = 738,115.20

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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.