Home / 913,629.24-1,369,970.78-487,050.49

Finding the Fourth Proportional to 913,629.24, 1,369,970.78 and 487,050.49

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Solution

The fourth proportional to 913,629.24, 1,369,970.78 and 487,050.49 is: 730,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,629.24 : 1,369,970.78 = 487,050.49 : x
  2. Step 2: Convert to fraction form
    913,629.24/1,369,970.78 = 487,050.49/x
  3. Step 3: Cross multiply
    913,629.24x = 1,369,970.78 × 487,050.49
  4. Step 4: Simplify right side
    913,629.24x = 667,244,939,684.68
  5. Step 5: Solve for x
    x = 667,244,939,684.68/913,629.24
  6. Step 6: Final answer
    x = 730,323.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.