Home / 880,374.45-1,320,177.12-311,566.58

Finding the Fourth Proportional to 880,374.45, 1,320,177.12 and 311,566.58

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Solution

The fourth proportional to 880,374.45, 1,320,177.12 and 311,566.58 is: 467,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,374.45 : 1,320,177.12 = 311,566.58 : x
  2. Step 2: Convert to fraction form
    880,374.45/1,320,177.12 = 311,566.58/x
  3. Step 3: Cross multiply
    880,374.45x = 1,320,177.12 × 311,566.58
  4. Step 4: Simplify right side
    880,374.45x = 411,323,065,055.49
  5. Step 5: Solve for x
    x = 411,323,065,055.49/880,374.45
  6. Step 6: Final answer
    x = 467,213.77

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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.