Home / 659,014.16-988,327.46-279,931.88

Finding the Fourth Proportional to 659,014.16, 988,327.46 and 279,931.88

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Solution

The fourth proportional to 659,014.16, 988,327.46 and 279,931.88 is: 419,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,014.16 : 988,327.46 = 279,931.88 : x
  2. Step 2: Convert to fraction form
    659,014.16/988,327.46 = 279,931.88/x
  3. Step 3: Cross multiply
    659,014.16x = 988,327.46 × 279,931.88
  4. Step 4: Simplify right side
    659,014.16x = 276,664,357,592.13
  5. Step 5: Solve for x
    x = 276,664,357,592.13/659,014.16
  6. Step 6: Final answer
    x = 419,815.50

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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.