Home / 760,650.15-1,141,553.61-281,331.43

Finding the Fourth Proportional to 760,650.15, 1,141,553.61 and 281,331.43

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Solution

The fourth proportional to 760,650.15, 1,141,553.61 and 281,331.43 is: 422,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,650.15 : 1,141,553.61 = 281,331.43 : x
  2. Step 2: Convert to fraction form
    760,650.15/1,141,553.61 = 281,331.43/x
  3. Step 3: Cross multiply
    760,650.15x = 1,141,553.61 × 281,331.43
  4. Step 4: Simplify right side
    760,650.15x = 321,154,909,522.96
  5. Step 5: Solve for x
    x = 321,154,909,522.96/760,650.15
  6. Step 6: Final answer
    x = 422,211.06

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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.