Home / 395,979.60-545,923.22-314,577.95

Finding the Fourth Proportional to 395,979.60, 545,923.22 and 314,577.95

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Solution

The fourth proportional to 395,979.60, 545,923.22 and 314,577.95 is: 433,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,979.60 : 545,923.22 = 314,577.95 : x
  2. Step 2: Convert to fraction form
    395,979.60/545,923.22 = 314,577.95/x
  3. Step 3: Cross multiply
    395,979.60x = 545,923.22 × 314,577.95
  4. Step 4: Simplify right side
    395,979.60x = 171,735,403,102.49
  5. Step 5: Solve for x
    x = 171,735,403,102.49/395,979.60
  6. Step 6: Final answer
    x = 433,697.60

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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.