Home / 873,941.78-1,206,218.31-551,434.61

Finding the Fourth Proportional to 873,941.78, 1,206,218.31 and 551,434.61

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Solution

The fourth proportional to 873,941.78, 1,206,218.31 and 551,434.61 is: 761,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,941.78 : 1,206,218.31 = 551,434.61 : x
  2. Step 2: Convert to fraction form
    873,941.78/1,206,218.31 = 551,434.61/x
  3. Step 3: Cross multiply
    873,941.78x = 1,206,218.31 × 551,434.61
  4. Step 4: Simplify right side
    873,941.78x = 665,150,523,349.71
  5. Step 5: Solve for x
    x = 665,150,523,349.71/873,941.78
  6. Step 6: Final answer
    x = 761,092.49

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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.