Home / 909,874.60-1,364,986.92-348,865.36

Finding the Fourth Proportional to 909,874.60, 1,364,986.92 and 348,865.36

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Solution

The fourth proportional to 909,874.60, 1,364,986.92 and 348,865.36 is: 523,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,874.60 : 1,364,986.92 = 348,865.36 : x
  2. Step 2: Convert to fraction form
    909,874.60/1,364,986.92 = 348,865.36/x
  3. Step 3: Cross multiply
    909,874.60x = 1,364,986.92 × 348,865.36
  4. Step 4: Simplify right side
    909,874.60x = 476,196,653,241.09
  5. Step 5: Solve for x
    x = 476,196,653,241.09/909,874.60
  6. Step 6: Final answer
    x = 523,365.15

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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.