Home / 768,201.81-1,152,817.01-318,923.06

Finding the Fourth Proportional to 768,201.81, 1,152,817.01 and 318,923.06

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Solution

The fourth proportional to 768,201.81, 1,152,817.01 and 318,923.06 is: 478,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,201.81 : 1,152,817.01 = 318,923.06 : x
  2. Step 2: Convert to fraction form
    768,201.81/1,152,817.01 = 318,923.06/x
  3. Step 3: Cross multiply
    768,201.81x = 1,152,817.01 × 318,923.06
  4. Step 4: Simplify right side
    768,201.81x = 367,659,922,286.51
  5. Step 5: Solve for x
    x = 367,659,922,286.51/768,201.81
  6. Step 6: Final answer
    x = 478,598.10

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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.