Home / 627,009.00-865,325.77-355,125.25

Finding the Fourth Proportional to 627,009.00, 865,325.77 and 355,125.25

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Solution

The fourth proportional to 627,009.00, 865,325.77 and 355,125.25 is: 490,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,009.00 : 865,325.77 = 355,125.25 : x
  2. Step 2: Convert to fraction form
    627,009.00/865,325.77 = 355,125.25/x
  3. Step 3: Cross multiply
    627,009.00x = 865,325.77 × 355,125.25
  4. Step 4: Simplify right side
    627,009.00x = 307,299,030,596.54
  5. Step 5: Solve for x
    x = 307,299,030,596.54/627,009.00
  6. Step 6: Final answer
    x = 490,103.06

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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.