Home / 776,155.20-1,164,426.52-270,723.46

Finding the Fourth Proportional to 776,155.20, 1,164,426.52 and 270,723.46

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Solution

The fourth proportional to 776,155.20, 1,164,426.52 and 270,723.46 is: 406,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,155.20 : 1,164,426.52 = 270,723.46 : x
  2. Step 2: Convert to fraction form
    776,155.20/1,164,426.52 = 270,723.46/x
  3. Step 3: Cross multiply
    776,155.20x = 1,164,426.52 × 270,723.46
  4. Step 4: Simplify right side
    776,155.20x = 315,237,570,588.03
  5. Step 5: Solve for x
    x = 315,237,570,588.03/776,155.20
  6. Step 6: Final answer
    x = 406,152.75

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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.