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Finding the Fourth Proportional to 384,425.80, 577,221.90 and 295,779.40

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Solution

The fourth proportional to 384,425.80, 577,221.90 and 295,779.40 is: 444,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,425.80 : 577,221.90 = 295,779.40 : x
  2. Step 2: Convert to fraction form
    384,425.80/577,221.90 = 295,779.40/x
  3. Step 3: Cross multiply
    384,425.80x = 577,221.90 × 295,779.40
  4. Step 4: Simplify right side
    384,425.80x = 170,730,347,248.86
  5. Step 5: Solve for x
    x = 170,730,347,248.86/384,425.80
  6. Step 6: Final answer
    x = 444,117.82

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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.