Home / 854,056.32-1,281,265.92-255,064.32

Finding the Fourth Proportional to 854,056.32, 1,281,265.92 and 255,064.32

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Solution

The fourth proportional to 854,056.32, 1,281,265.92 and 255,064.32 is: 382,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,056.32 : 1,281,265.92 = 255,064.32 : x
  2. Step 2: Convert to fraction form
    854,056.32/1,281,265.92 = 255,064.32/x
  3. Step 3: Cross multiply
    854,056.32x = 1,281,265.92 × 255,064.32
  4. Step 4: Simplify right side
    854,056.32x = 326,805,220,623.97
  5. Step 5: Solve for x
    x = 326,805,220,623.97/854,056.32
  6. Step 6: Final answer
    x = 382,650.67

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Double scale
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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.