Home / 791,998.08-1,188,019.80-286,605.60

Finding the Fourth Proportional to 791,998.08, 1,188,019.80 and 286,605.60

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Solution

The fourth proportional to 791,998.08, 1,188,019.80 and 286,605.60 is: 429,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,998.08 : 1,188,019.80 = 286,605.60 : x
  2. Step 2: Convert to fraction form
    791,998.08/1,188,019.80 = 286,605.60/x
  3. Step 3: Cross multiply
    791,998.08x = 1,188,019.80 × 286,605.60
  4. Step 4: Simplify right side
    791,998.08x = 340,493,127,590.88
  5. Step 5: Solve for x
    x = 340,493,127,590.88/791,998.08
  6. Step 6: Final answer
    x = 429,916.61

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Half scale
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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.