Home / 874,274.27-1,206,497.10-492,303.79

Finding the Fourth Proportional to 874,274.27, 1,206,497.10 and 492,303.79

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Solution

The fourth proportional to 874,274.27, 1,206,497.10 and 492,303.79 is: 679,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,274.27 : 1,206,497.10 = 492,303.79 : x
  2. Step 2: Convert to fraction form
    874,274.27/1,206,497.10 = 492,303.79/x
  3. Step 3: Cross multiply
    874,274.27x = 1,206,497.10 × 492,303.79
  4. Step 4: Simplify right side
    874,274.27x = 593,963,088,921.52
  5. Step 5: Solve for x
    x = 593,963,088,921.52/874,274.27
  6. Step 6: Final answer
    x = 679,378.44

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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.