Home / 752,229.86-1,038,095.44-412,698.11

Finding the Fourth Proportional to 752,229.86, 1,038,095.44 and 412,698.11

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Solution

The fourth proportional to 752,229.86, 1,038,095.44 and 412,698.11 is: 569,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,229.86 : 1,038,095.44 = 412,698.11 : x
  2. Step 2: Convert to fraction form
    752,229.86/1,038,095.44 = 412,698.11/x
  3. Step 3: Cross multiply
    752,229.86x = 1,038,095.44 × 412,698.11
  4. Step 4: Simplify right side
    752,229.86x = 428,420,019,865.40
  5. Step 5: Solve for x
    x = 428,420,019,865.40/752,229.86
  6. Step 6: Final answer
    x = 569,533.39

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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.