Home / 724,741.44-1,086,840-251,312.64

Finding the Fourth Proportional to 724,741.44, 1,086,840 and 251,312.64

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Solution

The fourth proportional to 724,741.44, 1,086,840 and 251,312.64 is: 376,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,741.44 : 1,086,840 = 251,312.64 : x
  2. Step 2: Convert to fraction form
    724,741.44/1,086,840 = 251,312.64/x
  3. Step 3: Cross multiply
    724,741.44x = 1,086,840 × 251,312.64
  4. Step 4: Simplify right side
    724,741.44x = 273,136,629,657.60
  5. Step 5: Solve for x
    x = 273,136,629,657.60/724,741.44
  6. Step 6: Final answer
    x = 376,874.59

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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.