Home / 736,009.09-1,015,800.11-413,745.73

Finding the Fourth Proportional to 736,009.09, 1,015,800.11 and 413,745.73

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Solution

The fourth proportional to 736,009.09, 1,015,800.11 and 413,745.73 is: 571,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,009.09 : 1,015,800.11 = 413,745.73 : x
  2. Step 2: Convert to fraction form
    736,009.09/1,015,800.11 = 413,745.73/x
  3. Step 3: Cross multiply
    736,009.09x = 1,015,800.11 × 413,745.73
  4. Step 4: Simplify right side
    736,009.09x = 420,282,954,989.35
  5. Step 5: Solve for x
    x = 420,282,954,989.35/736,009.09
  6. Step 6: Final answer
    x = 571,029.57

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Double scale
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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.