Home / 782,523.32-1,173,784.98-427,343.59

Finding the Fourth Proportional to 782,523.32, 1,173,784.98 and 427,343.59

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Solution

The fourth proportional to 782,523.32, 1,173,784.98 and 427,343.59 is: 641,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,523.32 : 1,173,784.98 = 427,343.59 : x
  2. Step 2: Convert to fraction form
    782,523.32/1,173,784.98 = 427,343.59/x
  3. Step 3: Cross multiply
    782,523.32x = 1,173,784.98 × 427,343.59
  4. Step 4: Simplify right side
    782,523.32x = 501,609,487,241.28
  5. Step 5: Solve for x
    x = 501,609,487,241.28/782,523.32
  6. Step 6: Final answer
    x = 641,015.39

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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.