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Finding the Fourth Proportional to 650,659.84, 971,560.83 and 574,120.52

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Solution

The fourth proportional to 650,659.84, 971,560.83 and 574,120.52 is: 857,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,659.84 : 971,560.83 = 574,120.52 : x
  2. Step 2: Convert to fraction form
    650,659.84/971,560.83 = 574,120.52/x
  3. Step 3: Cross multiply
    650,659.84x = 971,560.83 × 574,120.52
  4. Step 4: Simplify right side
    650,659.84x = 557,793,008,931.23
  5. Step 5: Solve for x
    x = 557,793,008,931.23/650,659.84
  6. Step 6: Final answer
    x = 857,272.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.