Home / 680,943.60-1,021,415.40-232,171.20

Finding the Fourth Proportional to 680,943.60, 1,021,415.40 and 232,171.20

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Solution

The fourth proportional to 680,943.60, 1,021,415.40 and 232,171.20 is: 348,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,943.60 : 1,021,415.40 = 232,171.20 : x
  2. Step 2: Convert to fraction form
    680,943.60/1,021,415.40 = 232,171.20/x
  3. Step 3: Cross multiply
    680,943.60x = 1,021,415.40 × 232,171.20
  4. Step 4: Simplify right side
    680,943.60x = 237,143,239,116.48
  5. Step 5: Solve for x
    x = 237,143,239,116.48/680,943.60
  6. Step 6: Final answer
    x = 348,256.80

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Similar ratio
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1.5x scale

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.