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Finding the Fourth Proportional to 650,699.60, 975,466.20 and 579,840.80

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Solution

The fourth proportional to 650,699.60, 975,466.20 and 579,840.80 is: 869,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,699.60 : 975,466.20 = 579,840.80 : x
  2. Step 2: Convert to fraction form
    650,699.60/975,466.20 = 579,840.80/x
  3. Step 3: Cross multiply
    650,699.60x = 975,466.20 × 579,840.80
  4. Step 4: Simplify right side
    650,699.60x = 565,615,101,780.96
  5. Step 5: Solve for x
    x = 565,615,101,780.96/650,699.60
  6. Step 6: Final answer
    x = 869,241.51

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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.