Home / 874,039.64-1,206,161.34-492,065.24

Finding the Fourth Proportional to 874,039.64, 1,206,161.34 and 492,065.24

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Solution

The fourth proportional to 874,039.64, 1,206,161.34 and 492,065.24 is: 679,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,039.64 : 1,206,161.34 = 492,065.24 : x
  2. Step 2: Convert to fraction form
    874,039.64/1,206,161.34 = 492,065.24/x
  3. Step 3: Cross multiply
    874,039.64x = 1,206,161.34 × 492,065.24
  4. Step 4: Simplify right side
    874,039.64x = 593,510,069,245.82
  5. Step 5: Solve for x
    x = 593,510,069,245.82/874,039.64
  6. Step 6: Final answer
    x = 679,042.51

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Double scale
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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.