Home / 499,997.04-689,991.07-270,549.30

Finding the Fourth Proportional to 499,997.04, 689,991.07 and 270,549.30

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Solution

The fourth proportional to 499,997.04, 689,991.07 and 270,549.30 is: 373,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,997.04 : 689,991.07 = 270,549.30 : x
  2. Step 2: Convert to fraction form
    499,997.04/689,991.07 = 270,549.30/x
  3. Step 3: Cross multiply
    499,997.04x = 689,991.07 × 270,549.30
  4. Step 4: Simplify right side
    499,997.04x = 186,676,600,994.75
  5. Step 5: Solve for x
    x = 186,676,600,994.75/499,997.04
  6. Step 6: Final answer
    x = 373,355.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.