Home / 878,529.98-1,317,997.96-373,107.45

Finding the Fourth Proportional to 878,529.98, 1,317,997.96 and 373,107.45

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Solution

The fourth proportional to 878,529.98, 1,317,997.96 and 373,107.45 is: 559,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,529.98 : 1,317,997.96 = 373,107.45 : x
  2. Step 2: Convert to fraction form
    878,529.98/1,317,997.96 = 373,107.45/x
  3. Step 3: Cross multiply
    878,529.98x = 1,317,997.96 × 373,107.45
  4. Step 4: Simplify right side
    878,529.98x = 491,754,856,655.52
  5. Step 5: Solve for x
    x = 491,754,856,655.52/878,529.98
  6. Step 6: Final answer
    x = 559,747.38

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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.