Home / 926,326.52-1,390,153.38-394,221.32

Finding the Fourth Proportional to 926,326.52, 1,390,153.38 and 394,221.32

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Solution

The fourth proportional to 926,326.52, 1,390,153.38 and 394,221.32 is: 591,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,326.52 : 1,390,153.38 = 394,221.32 : x
  2. Step 2: Convert to fraction form
    926,326.52/1,390,153.38 = 394,221.32/x
  3. Step 3: Cross multiply
    926,326.52x = 1,390,153.38 × 394,221.32
  4. Step 4: Simplify right side
    926,326.52x = 548,028,100,466.06
  5. Step 5: Solve for x
    x = 548,028,100,466.06/926,326.52
  6. Step 6: Final answer
    x = 591,614.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.