Home / 767,923.58-1,059,945.32-445,737.48

Finding the Fourth Proportional to 767,923.58, 1,059,945.32 and 445,737.48

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Solution

The fourth proportional to 767,923.58, 1,059,945.32 and 445,737.48 is: 615,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,923.58 : 1,059,945.32 = 445,737.48 : x
  2. Step 2: Convert to fraction form
    767,923.58/1,059,945.32 = 445,737.48/x
  3. Step 3: Cross multiply
    767,923.58x = 1,059,945.32 × 445,737.48
  4. Step 4: Simplify right side
    767,923.58x = 472,457,355,874.59
  5. Step 5: Solve for x
    x = 472,457,355,874.59/767,923.58
  6. Step 6: Final answer
    x = 615,240.07

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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.