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Finding the Fourth Proportional to 549,897.64, 758,822.82 and 323,499.40

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Solution

The fourth proportional to 549,897.64, 758,822.82 and 323,499.40 is: 446,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,897.64 : 758,822.82 = 323,499.40 : x
  2. Step 2: Convert to fraction form
    549,897.64/758,822.82 = 323,499.40/x
  3. Step 3: Cross multiply
    549,897.64x = 758,822.82 × 323,499.40
  4. Step 4: Simplify right side
    549,897.64x = 245,478,726,976.31
  5. Step 5: Solve for x
    x = 245,478,726,976.31/549,897.64
  6. Step 6: Final answer
    x = 446,408.04

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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.