Home / 782,223.52-1,079,314.32-476,217.76

Finding the Fourth Proportional to 782,223.52, 1,079,314.32 and 476,217.76

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Solution

The fourth proportional to 782,223.52, 1,079,314.32 and 476,217.76 is: 657,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,223.52 : 1,079,314.32 = 476,217.76 : x
  2. Step 2: Convert to fraction form
    782,223.52/1,079,314.32 = 476,217.76/x
  3. Step 3: Cross multiply
    782,223.52x = 1,079,314.32 × 476,217.76
  4. Step 4: Simplify right side
    782,223.52x = 513,988,647,806.32
  5. Step 5: Solve for x
    x = 513,988,647,806.32/782,223.52
  6. Step 6: Final answer
    x = 657,086.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.