Home / 475,546.25-713,628.48-205,937.69

Finding the Fourth Proportional to 475,546.25, 713,628.48 and 205,937.69

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Solution

The fourth proportional to 475,546.25, 713,628.48 and 205,937.69 is: 309,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,546.25 : 713,628.48 = 205,937.69 : x
  2. Step 2: Convert to fraction form
    475,546.25/713,628.48 = 205,937.69/x
  3. Step 3: Cross multiply
    475,546.25x = 713,628.48 × 205,937.69
  4. Step 4: Simplify right side
    475,546.25x = 146,963,000,689.41
  5. Step 5: Solve for x
    x = 146,963,000,689.41/475,546.25
  6. Step 6: Final answer
    x = 309,040.39

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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.