Home / 739,200.90-1,108,837.80-384,906.90

Finding the Fourth Proportional to 739,200.90, 1,108,837.80 and 384,906.90

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Solution

The fourth proportional to 739,200.90, 1,108,837.80 and 384,906.90 is: 577,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,200.90 : 1,108,837.80 = 384,906.90 : x
  2. Step 2: Convert to fraction form
    739,200.90/1,108,837.80 = 384,906.90/x
  3. Step 3: Cross multiply
    739,200.90x = 1,108,837.80 × 384,906.90
  4. Step 4: Simplify right side
    739,200.90x = 426,799,320,200.82
  5. Step 5: Solve for x
    x = 426,799,320,200.82/739,200.90
  6. Step 6: Final answer
    x = 577,379.33

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Double scale
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Similar ratio
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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.