Home / 786,601.80-1,180,152.54-331,433.64

Finding the Fourth Proportional to 786,601.80, 1,180,152.54 and 331,433.64

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Solution

The fourth proportional to 786,601.80, 1,180,152.54 and 331,433.64 is: 497,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,601.80 : 1,180,152.54 = 331,433.64 : x
  2. Step 2: Convert to fraction form
    786,601.80/1,180,152.54 = 331,433.64/x
  3. Step 3: Cross multiply
    786,601.80x = 1,180,152.54 × 331,433.64
  4. Step 4: Simplify right side
    786,601.80x = 391,142,252,087.45
  5. Step 5: Solve for x
    x = 391,142,252,087.45/786,601.80
  6. Step 6: Final answer
    x = 497,255.73

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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.