Home / 816,575.15-1,224,783.52-247,961.17

Finding the Fourth Proportional to 816,575.15, 1,224,783.52 and 247,961.17

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Solution

The fourth proportional to 816,575.15, 1,224,783.52 and 247,961.17 is: 371,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,575.15 : 1,224,783.52 = 247,961.17 : x
  2. Step 2: Convert to fraction form
    816,575.15/1,224,783.52 = 247,961.17/x
  3. Step 3: Cross multiply
    816,575.15x = 1,224,783.52 × 247,961.17
  4. Step 4: Simplify right side
    816,575.15x = 303,698,754,615.92
  5. Step 5: Solve for x
    x = 303,698,754,615.92/816,575.15
  6. Step 6: Final answer
    x = 371,917.70

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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.