Home / 749,720.76-1,124,548.32-217,230

Finding the Fourth Proportional to 749,720.76, 1,124,548.32 and 217,230

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Solution

The fourth proportional to 749,720.76, 1,124,548.32 and 217,230 is: 325,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,720.76 : 1,124,548.32 = 217,230 : x
  2. Step 2: Convert to fraction form
    749,720.76/1,124,548.32 = 217,230/x
  3. Step 3: Cross multiply
    749,720.76x = 1,124,548.32 × 217,230
  4. Step 4: Simplify right side
    749,720.76x = 244,285,631,553.60
  5. Step 5: Solve for x
    x = 244,285,631,553.60/749,720.76
  6. Step 6: Final answer
    x = 325,835.49

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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.