Home / 792,199.45-1,188,649.10-319,807.45

Finding the Fourth Proportional to 792,199.45, 1,188,649.10 and 319,807.45

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Solution

The fourth proportional to 792,199.45, 1,188,649.10 and 319,807.45 is: 479,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,199.45 : 1,188,649.10 = 319,807.45 : x
  2. Step 2: Convert to fraction form
    792,199.45/1,188,649.10 = 319,807.45/x
  3. Step 3: Cross multiply
    792,199.45x = 1,188,649.10 × 319,807.45
  4. Step 4: Simplify right side
    792,199.45x = 380,138,837,615.80
  5. Step 5: Solve for x
    x = 380,138,837,615.80/792,199.45
  6. Step 6: Final answer
    x = 479,852.44

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Double scale
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1.5x scale

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.