Home / 740,490.60-1,109,958.30-291,037.80

Finding the Fourth Proportional to 740,490.60, 1,109,958.30 and 291,037.80

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Solution

The fourth proportional to 740,490.60, 1,109,958.30 and 291,037.80 is: 436,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,490.60 : 1,109,958.30 = 291,037.80 : x
  2. Step 2: Convert to fraction form
    740,490.60/1,109,958.30 = 291,037.80/x
  3. Step 3: Cross multiply
    740,490.60x = 1,109,958.30 × 291,037.80
  4. Step 4: Simplify right side
    740,490.60x = 323,039,821,723.74
  5. Step 5: Solve for x
    x = 323,039,821,723.74/740,490.60
  6. Step 6: Final answer
    x = 436,251.08

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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.