Home / 808,490.88-1,212,744.96-247,530.24

Finding the Fourth Proportional to 808,490.88, 1,212,744.96 and 247,530.24

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Solution

The fourth proportional to 808,490.88, 1,212,744.96 and 247,530.24 is: 371,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,490.88 : 1,212,744.96 = 247,530.24 : x
  2. Step 2: Convert to fraction form
    808,490.88/1,212,744.96 = 247,530.24/x
  3. Step 3: Cross multiply
    808,490.88x = 1,212,744.96 × 247,530.24
  4. Step 4: Simplify right side
    808,490.88x = 300,191,051,007.59
  5. Step 5: Solve for x
    x = 300,191,051,007.59/808,490.88
  6. Step 6: Final answer
    x = 371,298.01

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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.