Home / 780,046.05-1,170,069.08-442,956.45

Finding the Fourth Proportional to 780,046.05, 1,170,069.08 and 442,956.45

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Solution

The fourth proportional to 780,046.05, 1,170,069.08 and 442,956.45 is: 664,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,046.05 : 1,170,069.08 = 442,956.45 : x
  2. Step 2: Convert to fraction form
    780,046.05/1,170,069.08 = 442,956.45/x
  3. Step 3: Cross multiply
    780,046.05x = 1,170,069.08 × 442,956.45
  4. Step 4: Simplify right side
    780,046.05x = 518,289,643,716.78
  5. Step 5: Solve for x
    x = 518,289,643,716.78/780,046.05
  6. Step 6: Final answer
    x = 664,434.68

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Similar ratio
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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.