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Finding the Fourth Proportional to 606,997.60, 910,496.40 and 291,378.40

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Solution

The fourth proportional to 606,997.60, 910,496.40 and 291,378.40 is: 437,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,997.60 : 910,496.40 = 291,378.40 : x
  2. Step 2: Convert to fraction form
    606,997.60/910,496.40 = 291,378.40/x
  3. Step 3: Cross multiply
    606,997.60x = 910,496.40 × 291,378.40
  4. Step 4: Simplify right side
    606,997.60x = 265,298,984,237.76
  5. Step 5: Solve for x
    x = 265,298,984,237.76/606,997.60
  6. Step 6: Final answer
    x = 437,067.60

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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.