Home / 769,644.52-1,062,058.47-442,904.66

Finding the Fourth Proportional to 769,644.52, 1,062,058.47 and 442,904.66

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Solution

The fourth proportional to 769,644.52, 1,062,058.47 and 442,904.66 is: 611,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,644.52 : 1,062,058.47 = 442,904.66 : x
  2. Step 2: Convert to fraction form
    769,644.52/1,062,058.47 = 442,904.66/x
  3. Step 3: Cross multiply
    769,644.52x = 1,062,058.47 × 442,904.66
  4. Step 4: Simplify right side
    769,644.52x = 470,390,642,567.01
  5. Step 5: Solve for x
    x = 470,390,642,567.01/769,644.52
  6. Step 6: Final answer
    x = 611,179.10

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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.