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Finding the Fourth Proportional to 659,420.70, 988,914.14 and 232,879.14

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Solution

The fourth proportional to 659,420.70, 988,914.14 and 232,879.14 is: 349,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,420.70 : 988,914.14 = 232,879.14 : x
  2. Step 2: Convert to fraction form
    659,420.70/988,914.14 = 232,879.14/x
  3. Step 3: Cross multiply
    659,420.70x = 988,914.14 × 232,879.14
  4. Step 4: Simplify right side
    659,420.70x = 230,297,474,457.04
  5. Step 5: Solve for x
    x = 230,297,474,457.04/659,420.70
  6. Step 6: Final answer
    x = 349,242.11

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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.