Home / 808,809.98-1,213,109.24-240,179.45

Finding the Fourth Proportional to 808,809.98, 1,213,109.24 and 240,179.45

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Solution

The fourth proportional to 808,809.98, 1,213,109.24 and 240,179.45 is: 360,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,809.98 : 1,213,109.24 = 240,179.45 : x
  2. Step 2: Convert to fraction form
    808,809.98/1,213,109.24 = 240,179.45/x
  3. Step 3: Cross multiply
    808,809.98x = 1,213,109.24 × 240,179.45
  4. Step 4: Simplify right side
    808,809.98x = 291,363,902,786.68
  5. Step 5: Solve for x
    x = 291,363,902,786.68/808,809.98
  6. Step 6: Final answer
    x = 360,237.77

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1.5x scale

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.