Home / 874,000.17-1,206,142.79-492,040.62

Finding the Fourth Proportional to 874,000.17, 1,206,142.79 and 492,040.62

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Solution

The fourth proportional to 874,000.17, 1,206,142.79 and 492,040.62 is: 679,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,000.17 : 1,206,142.79 = 492,040.62 : x
  2. Step 2: Convert to fraction form
    874,000.17/1,206,142.79 = 492,040.62/x
  3. Step 3: Cross multiply
    874,000.17x = 1,206,142.79 × 492,040.62
  4. Step 4: Simplify right side
    874,000.17x = 593,471,243,739.93
  5. Step 5: Solve for x
    x = 593,471,243,739.93/874,000.17
  6. Step 6: Final answer
    x = 679,028.75

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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.