Home / 792,125.80-1,188,188.70-477,197.80

Finding the Fourth Proportional to 792,125.80, 1,188,188.70 and 477,197.80

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Solution

The fourth proportional to 792,125.80, 1,188,188.70 and 477,197.80 is: 715,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,125.80 : 1,188,188.70 = 477,197.80 : x
  2. Step 2: Convert to fraction form
    792,125.80/1,188,188.70 = 477,197.80/x
  3. Step 3: Cross multiply
    792,125.80x = 1,188,188.70 × 477,197.80
  4. Step 4: Simplify right side
    792,125.80x = 567,001,033,624.86
  5. Step 5: Solve for x
    x = 567,001,033,624.86/792,125.80
  6. Step 6: Final answer
    x = 715,796.70

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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.