Home / 964,963.32-1,331,645.11-551,493.20

Finding the Fourth Proportional to 964,963.32, 1,331,645.11 and 551,493.20

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Solution

The fourth proportional to 964,963.32, 1,331,645.11 and 551,493.20 is: 761,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,963.32 : 1,331,645.11 = 551,493.20 : x
  2. Step 2: Convert to fraction form
    964,963.32/1,331,645.11 = 551,493.20/x
  3. Step 3: Cross multiply
    964,963.32x = 1,331,645.11 × 551,493.20
  4. Step 4: Simplify right side
    964,963.32x = 734,393,222,978.25
  5. Step 5: Solve for x
    x = 734,393,222,978.25/964,963.32
  6. Step 6: Final answer
    x = 761,058.17

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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.