Home / 776,614.89-1,165,116.42-617,291.94

Finding the Fourth Proportional to 776,614.89, 1,165,116.42 and 617,291.94

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Solution

The fourth proportional to 776,614.89, 1,165,116.42 and 617,291.94 is: 926,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,614.89 : 1,165,116.42 = 617,291.94 : x
  2. Step 2: Convert to fraction form
    776,614.89/1,165,116.42 = 617,291.94/x
  3. Step 3: Cross multiply
    776,614.89x = 1,165,116.42 × 617,291.94
  4. Step 4: Simplify right side
    776,614.89x = 719,216,975,227.66
  5. Step 5: Solve for x
    x = 719,216,975,227.66/776,614.89
  6. Step 6: Final answer
    x = 926,092.18

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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.