Home / 852,311.35-1,278,327.50-346,851.91

Finding the Fourth Proportional to 852,311.35, 1,278,327.50 and 346,851.91

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Solution

The fourth proportional to 852,311.35, 1,278,327.50 and 346,851.91 is: 520,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,311.35 : 1,278,327.50 = 346,851.91 : x
  2. Step 2: Convert to fraction form
    852,311.35/1,278,327.50 = 346,851.91/x
  3. Step 3: Cross multiply
    852,311.35x = 1,278,327.50 × 346,851.91
  4. Step 4: Simplify right side
    852,311.35x = 443,390,334,980.53
  5. Step 5: Solve for x
    x = 443,390,334,980.53/852,311.35
  6. Step 6: Final answer
    x = 520,221.08

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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.