Home / 680,037.42-1,020,056.82-253,566.74

Finding the Fourth Proportional to 680,037.42, 1,020,056.82 and 253,566.74

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Solution

The fourth proportional to 680,037.42, 1,020,056.82 and 253,566.74 is: 380,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,037.42 : 1,020,056.82 = 253,566.74 : x
  2. Step 2: Convert to fraction form
    680,037.42/1,020,056.82 = 253,566.74/x
  3. Step 3: Cross multiply
    680,037.42x = 1,020,056.82 × 253,566.74
  4. Step 4: Simplify right side
    680,037.42x = 258,652,477,361.88
  5. Step 5: Solve for x
    x = 258,652,477,361.88/680,037.42
  6. Step 6: Final answer
    x = 380,350.36

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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.