Home / 776,710.63-1,071,644.07-500,951.80

Finding the Fourth Proportional to 776,710.63, 1,071,644.07 and 500,951.80

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Solution

The fourth proportional to 776,710.63, 1,071,644.07 and 500,951.80 is: 691,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,710.63 : 1,071,644.07 = 500,951.80 : x
  2. Step 2: Convert to fraction form
    776,710.63/1,071,644.07 = 500,951.80/x
  3. Step 3: Cross multiply
    776,710.63x = 1,071,644.07 × 500,951.80
  4. Step 4: Simplify right side
    776,710.63x = 536,842,025,825.83
  5. Step 5: Solve for x
    x = 536,842,025,825.83/776,710.63
  6. Step 6: Final answer
    x = 691,173.78

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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.