Home / 727,983.28-1,004,674.89-401,355.64

Finding the Fourth Proportional to 727,983.28, 1,004,674.89 and 401,355.64

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Solution

The fourth proportional to 727,983.28, 1,004,674.89 and 401,355.64 is: 553,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,983.28 : 1,004,674.89 = 401,355.64 : x
  2. Step 2: Convert to fraction form
    727,983.28/1,004,674.89 = 401,355.64/x
  3. Step 3: Cross multiply
    727,983.28x = 1,004,674.89 × 401,355.64
  4. Step 4: Simplify right side
    727,983.28x = 403,231,933,467.88
  5. Step 5: Solve for x
    x = 403,231,933,467.88/727,983.28
  6. Step 6: Final answer
    x = 553,902.74

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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.