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Finding the Fourth Proportional to 553,360.52, 829,449.48 and 395,109.20

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Solution

The fourth proportional to 553,360.52, 829,449.48 and 395,109.20 is: 592,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,360.52 : 829,449.48 = 395,109.20 : x
  2. Step 2: Convert to fraction form
    553,360.52/829,449.48 = 395,109.20/x
  3. Step 3: Cross multiply
    553,360.52x = 829,449.48 × 395,109.20
  4. Step 4: Simplify right side
    553,360.52x = 327,723,120,483.22
  5. Step 5: Solve for x
    x = 327,723,120,483.22/553,360.52
  6. Step 6: Final answer
    x = 592,241.60

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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.