Home / 727,877.32-1,004,457.24-396,736.10

Finding the Fourth Proportional to 727,877.32, 1,004,457.24 and 396,736.10

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Solution

The fourth proportional to 727,877.32, 1,004,457.24 and 396,736.10 is: 547,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,877.32 : 1,004,457.24 = 396,736.10 : x
  2. Step 2: Convert to fraction form
    727,877.32/1,004,457.24 = 396,736.10/x
  3. Step 3: Cross multiply
    727,877.32x = 1,004,457.24 × 396,736.10
  4. Step 4: Simplify right side
    727,877.32x = 398,504,448,014.36
  5. Step 5: Solve for x
    x = 398,504,448,014.36/727,877.32
  6. Step 6: Final answer
    x = 547,488.48

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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.