Home / 760,720.56-1,141,270.41-228,251.40

Finding the Fourth Proportional to 760,720.56, 1,141,270.41 and 228,251.40

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Solution

The fourth proportional to 760,720.56, 1,141,270.41 and 228,251.40 is: 342,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,720.56 : 1,141,270.41 = 228,251.40 : x
  2. Step 2: Convert to fraction form
    760,720.56/1,141,270.41 = 228,251.40/x
  3. Step 3: Cross multiply
    760,720.56x = 1,141,270.41 × 228,251.40
  4. Step 4: Simplify right side
    760,720.56x = 260,496,568,861.07
  5. Step 5: Solve for x
    x = 260,496,568,861.07/760,720.56
  6. Step 6: Final answer
    x = 342,433.98

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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.