Home / 776,721.96-1,164,541.46-344,203.90

Finding the Fourth Proportional to 776,721.96, 1,164,541.46 and 344,203.90

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Solution

The fourth proportional to 776,721.96, 1,164,541.46 and 344,203.90 is: 516,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,721.96 : 1,164,541.46 = 344,203.90 : x
  2. Step 2: Convert to fraction form
    776,721.96/1,164,541.46 = 344,203.90/x
  3. Step 3: Cross multiply
    776,721.96x = 1,164,541.46 × 344,203.90
  4. Step 4: Simplify right side
    776,721.96x = 400,839,707,611.32
  5. Step 5: Solve for x
    x = 400,839,707,611.32/776,721.96
  6. Step 6: Final answer
    x = 516,065.89

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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.