Home / 395,822.08-546,957.76-288,204.64

Finding the Fourth Proportional to 395,822.08, 546,957.76 and 288,204.64

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Solution

The fourth proportional to 395,822.08, 546,957.76 and 288,204.64 is: 398,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,822.08 : 546,957.76 = 288,204.64 : x
  2. Step 2: Convert to fraction form
    395,822.08/546,957.76 = 288,204.64/x
  3. Step 3: Cross multiply
    395,822.08x = 546,957.76 × 288,204.64
  4. Step 4: Simplify right side
    395,822.08x = 157,635,764,316.01
  5. Step 5: Solve for x
    x = 157,635,764,316.01/395,822.08
  6. Step 6: Final answer
    x = 398,249.04

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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.