Home / 727,925.49-1,004,250.78-486,365.85

Finding the Fourth Proportional to 727,925.49, 1,004,250.78 and 486,365.85

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Solution

The fourth proportional to 727,925.49, 1,004,250.78 and 486,365.85 is: 670,993.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,925.49 : 1,004,250.78 = 486,365.85 : x
  2. Step 2: Convert to fraction form
    727,925.49/1,004,250.78 = 486,365.85/x
  3. Step 3: Cross multiply
    727,925.49x = 1,004,250.78 × 486,365.85
  4. Step 4: Simplify right side
    727,925.49x = 488,433,284,227.86
  5. Step 5: Solve for x
    x = 488,433,284,227.86/727,925.49
  6. Step 6: Final answer
    x = 670,993.52

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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.