Home / 880,612.37-1,320,573.89-311,773.67

Finding the Fourth Proportional to 880,612.37, 1,320,573.89 and 311,773.67

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Solution

The fourth proportional to 880,612.37, 1,320,573.89 and 311,773.67 is: 467,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,612.37 : 1,320,573.89 = 311,773.67 : x
  2. Step 2: Convert to fraction form
    880,612.37/1,320,573.89 = 311,773.67/x
  3. Step 3: Cross multiply
    880,612.37x = 1,320,573.89 × 311,773.67
  4. Step 4: Simplify right side
    880,612.37x = 411,720,161,588.61
  5. Step 5: Solve for x
    x = 411,720,161,588.61/880,612.37
  6. Step 6: Final answer
    x = 467,538.47

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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.