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Finding the Fourth Proportional to 616,819.32, 850,882.32 and 375,175.80

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Solution

The fourth proportional to 616,819.32, 850,882.32 and 375,175.80 is: 517,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,819.32 : 850,882.32 = 375,175.80 : x
  2. Step 2: Convert to fraction form
    616,819.32/850,882.32 = 375,175.80/x
  3. Step 3: Cross multiply
    616,819.32x = 850,882.32 × 375,175.80
  4. Step 4: Simplify right side
    616,819.32x = 319,230,455,111.86
  5. Step 5: Solve for x
    x = 319,230,455,111.86/616,819.32
  6. Step 6: Final answer
    x = 517,542.89

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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.