Home / 616,122.45-850,218.48-344,136.15

Finding the Fourth Proportional to 616,122.45, 850,218.48 and 344,136.15

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Solution

The fourth proportional to 616,122.45, 850,218.48 and 344,136.15 is: 474,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,122.45 : 850,218.48 = 344,136.15 : x
  2. Step 2: Convert to fraction form
    616,122.45/850,218.48 = 344,136.15/x
  3. Step 3: Cross multiply
    616,122.45x = 850,218.48 × 344,136.15
  4. Step 4: Simplify right side
    616,122.45x = 292,590,914,366.05
  5. Step 5: Solve for x
    x = 292,590,914,366.05/616,122.45
  6. Step 6: Final answer
    x = 474,890.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.