Home / 783,019.62-1,080,548.82-456,311.70

Finding the Fourth Proportional to 783,019.62, 1,080,548.82 and 456,311.70

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Solution

The fourth proportional to 783,019.62, 1,080,548.82 and 456,311.70 is: 629,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,019.62 : 1,080,548.82 = 456,311.70 : x
  2. Step 2: Convert to fraction form
    783,019.62/1,080,548.82 = 456,311.70/x
  3. Step 3: Cross multiply
    783,019.62x = 1,080,548.82 × 456,311.70
  4. Step 4: Simplify right side
    783,019.62x = 493,067,068,987.19
  5. Step 5: Solve for x
    x = 493,067,068,987.19/783,019.62
  6. Step 6: Final answer
    x = 629,699.51

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Double scale
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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.