Home / 661,702.20-992,553.30-346,255.80

Finding the Fourth Proportional to 661,702.20, 992,553.30 and 346,255.80

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Solution

The fourth proportional to 661,702.20, 992,553.30 and 346,255.80 is: 519,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,702.20 : 992,553.30 = 346,255.80 : x
  2. Step 2: Convert to fraction form
    661,702.20/992,553.30 = 346,255.80/x
  3. Step 3: Cross multiply
    661,702.20x = 992,553.30 × 346,255.80
  4. Step 4: Simplify right side
    661,702.20x = 343,677,336,934.14
  5. Step 5: Solve for x
    x = 343,677,336,934.14/661,702.20
  6. Step 6: Final answer
    x = 519,383.70

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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.