Home / 874,040.64-1,206,162.72-492,066.24

Finding the Fourth Proportional to 874,040.64, 1,206,162.72 and 492,066.24

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Solution

The fourth proportional to 874,040.64, 1,206,162.72 and 492,066.24 is: 679,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,040.64 : 1,206,162.72 = 492,066.24 : x
  2. Step 2: Convert to fraction form
    874,040.64/1,206,162.72 = 492,066.24/x
  3. Step 3: Cross multiply
    874,040.64x = 1,206,162.72 × 492,066.24
  4. Step 4: Simplify right side
    874,040.64x = 593,511,954,458.57
  5. Step 5: Solve for x
    x = 593,511,954,458.57/874,040.64
  6. Step 6: Final answer
    x = 679,043.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.