Home / 410,257.25-565,477.40-274,241.60

Finding the Fourth Proportional to 410,257.25, 565,477.40 and 274,241.60

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Solution

The fourth proportional to 410,257.25, 565,477.40 and 274,241.60 is: 378,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,257.25 : 565,477.40 = 274,241.60 : x
  2. Step 2: Convert to fraction form
    410,257.25/565,477.40 = 274,241.60/x
  3. Step 3: Cross multiply
    410,257.25x = 565,477.40 × 274,241.60
  4. Step 4: Simplify right side
    410,257.25x = 155,077,426,918.60
  5. Step 5: Solve for x
    x = 155,077,426,918.60/410,257.25
  6. Step 6: Final answer
    x = 378,000.45

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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.