Home / 719,375.85-1,079,063.64-213,934.77

Finding the Fourth Proportional to 719,375.85, 1,079,063.64 and 213,934.77

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Solution

The fourth proportional to 719,375.85, 1,079,063.64 and 213,934.77 is: 320,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,375.85 : 1,079,063.64 = 213,934.77 : x
  2. Step 2: Convert to fraction form
    719,375.85/1,079,063.64 = 213,934.77/x
  3. Step 3: Cross multiply
    719,375.85x = 1,079,063.64 × 213,934.77
  4. Step 4: Simplify right side
    719,375.85x = 230,849,231,638.76
  5. Step 5: Solve for x
    x = 230,849,231,638.76/719,375.85
  6. Step 6: Final answer
    x = 320,902.11

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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.