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Finding the Fourth Proportional to 647,530.70, 971,296.05 and 635,089.10

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Solution

The fourth proportional to 647,530.70, 971,296.05 and 635,089.10 is: 952,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,530.70 : 971,296.05 = 635,089.10 : x
  2. Step 2: Convert to fraction form
    647,530.70/971,296.05 = 635,089.10/x
  3. Step 3: Cross multiply
    647,530.70x = 971,296.05 × 635,089.10
  4. Step 4: Simplify right side
    647,530.70x = 616,859,534,228.06
  5. Step 5: Solve for x
    x = 616,859,534,228.06/647,530.70
  6. Step 6: Final answer
    x = 952,633.65

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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.