Home / 854,516.30-1,281,889.65-293,722.70

Finding the Fourth Proportional to 854,516.30, 1,281,889.65 and 293,722.70

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Solution

The fourth proportional to 854,516.30, 1,281,889.65 and 293,722.70 is: 440,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,516.30 : 1,281,889.65 = 293,722.70 : x
  2. Step 2: Convert to fraction form
    854,516.30/1,281,889.65 = 293,722.70/x
  3. Step 3: Cross multiply
    854,516.30x = 1,281,889.65 × 293,722.70
  4. Step 4: Simplify right side
    854,516.30x = 376,520,089,100.06
  5. Step 5: Solve for x
    x = 376,520,089,100.06/854,516.30
  6. Step 6: Final answer
    x = 440,623.65

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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.