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Finding the Fourth Proportional to 577,221.60, 865,832.40 and 577,221.60

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Solution

The fourth proportional to 577,221.60, 865,832.40 and 577,221.60 is: 865,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,221.60 : 865,832.40 = 577,221.60 : x
  2. Step 2: Convert to fraction form
    577,221.60/865,832.40 = 577,221.60/x
  3. Step 3: Cross multiply
    577,221.60x = 865,832.40 × 577,221.60
  4. Step 4: Simplify right side
    577,221.60x = 499,777,163,259.84
  5. Step 5: Solve for x
    x = 499,777,163,259.84/577,221.60
  6. Step 6: Final answer
    x = 865,832.40

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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.