Home / 627,205.48-865,544.30-340,725.56

Finding the Fourth Proportional to 627,205.48, 865,544.30 and 340,725.56

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Solution

The fourth proportional to 627,205.48, 865,544.30 and 340,725.56 is: 470,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,205.48 : 865,544.30 = 340,725.56 : x
  2. Step 2: Convert to fraction form
    627,205.48/865,544.30 = 340,725.56/x
  3. Step 3: Cross multiply
    627,205.48x = 865,544.30 × 340,725.56
  4. Step 4: Simplify right side
    627,205.48x = 294,913,066,322.31
  5. Step 5: Solve for x
    x = 294,913,066,322.31/627,205.48
  6. Step 6: Final answer
    x = 470,201.67

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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.