Home / 854,405.30-1,281,723.15-293,611.70

Finding the Fourth Proportional to 854,405.30, 1,281,723.15 and 293,611.70

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Solution

The fourth proportional to 854,405.30, 1,281,723.15 and 293,611.70 is: 440,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,405.30 : 1,281,723.15 = 293,611.70 : x
  2. Step 2: Convert to fraction form
    854,405.30/1,281,723.15 = 293,611.70/x
  3. Step 3: Cross multiply
    854,405.30x = 1,281,723.15 × 293,611.70
  4. Step 4: Simplify right side
    854,405.30x = 376,328,913,000.86
  5. Step 5: Solve for x
    x = 376,328,913,000.86/854,405.30
  6. Step 6: Final answer
    x = 440,457.14

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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.