Home / 740,575.64-1,110,115.40-291,611.56

Finding the Fourth Proportional to 740,575.64, 1,110,115.40 and 291,611.56

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Solution

The fourth proportional to 740,575.64, 1,110,115.40 and 291,611.56 is: 437,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,575.64 : 1,110,115.40 = 291,611.56 : x
  2. Step 2: Convert to fraction form
    740,575.64/1,110,115.40 = 291,611.56/x
  3. Step 3: Cross multiply
    740,575.64x = 1,110,115.40 × 291,611.56
  4. Step 4: Simplify right side
    740,575.64x = 323,722,483,574.02
  5. Step 5: Solve for x
    x = 323,722,483,574.02/740,575.64
  6. Step 6: Final answer
    x = 437,122.78

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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.