Home / 817,311.38-1,225,954.74-367,714.76

Finding the Fourth Proportional to 817,311.38, 1,225,954.74 and 367,714.76

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Solution

The fourth proportional to 817,311.38, 1,225,954.74 and 367,714.76 is: 551,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,311.38 : 1,225,954.74 = 367,714.76 : x
  2. Step 2: Convert to fraction form
    817,311.38/1,225,954.74 = 367,714.76/x
  3. Step 3: Cross multiply
    817,311.38x = 1,225,954.74 × 367,714.76
  4. Step 4: Simplify right side
    817,311.38x = 450,801,648,239.12
  5. Step 5: Solve for x
    x = 450,801,648,239.12/817,311.38
  6. Step 6: Final answer
    x = 551,566.59

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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.