Home / 680,917.60-1,021,376.40-232,145.20

Finding the Fourth Proportional to 680,917.60, 1,021,376.40 and 232,145.20

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Solution

The fourth proportional to 680,917.60, 1,021,376.40 and 232,145.20 is: 348,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,917.60 : 1,021,376.40 = 232,145.20 : x
  2. Step 2: Convert to fraction form
    680,917.60/1,021,376.40 = 232,145.20/x
  3. Step 3: Cross multiply
    680,917.60x = 1,021,376.40 × 232,145.20
  4. Step 4: Simplify right side
    680,917.60x = 237,107,628,653.28
  5. Step 5: Solve for x
    x = 237,107,628,653.28/680,917.60
  6. Step 6: Final answer
    x = 348,217.80

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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.