Home / 627,096.74-865,395.09-340,610.67

Finding the Fourth Proportional to 627,096.74, 865,395.09 and 340,610.67

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Solution

The fourth proportional to 627,096.74, 865,395.09 and 340,610.67 is: 470,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,096.74 : 865,395.09 = 340,610.67 : x
  2. Step 2: Convert to fraction form
    627,096.74/865,395.09 = 340,610.67/x
  3. Step 3: Cross multiply
    627,096.74x = 865,395.09 × 340,610.67
  4. Step 4: Simplify right side
    627,096.74x = 294,762,801,419.61
  5. Step 5: Solve for x
    x = 294,762,801,419.61/627,096.74
  6. Step 6: Final answer
    x = 470,043.59

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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.