Home / 776,691.34-1,071,617.50-500,932.51

Finding the Fourth Proportional to 776,691.34, 1,071,617.50 and 500,932.51

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Solution

The fourth proportional to 776,691.34, 1,071,617.50 and 500,932.51 is: 691,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,691.34 : 1,071,617.50 = 500,932.51 : x
  2. Step 2: Convert to fraction form
    776,691.34/1,071,617.50 = 500,932.51/x
  3. Step 3: Cross multiply
    776,691.34x = 1,071,617.50 × 500,932.51
  4. Step 4: Simplify right side
    776,691.34x = 536,808,042,178.23
  5. Step 5: Solve for x
    x = 536,808,042,178.23/776,691.34
  6. Step 6: Final answer
    x = 691,147.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.