Home / 792,005.80-1,188,008.70-511,839.40

Finding the Fourth Proportional to 792,005.80, 1,188,008.70 and 511,839.40

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Solution

The fourth proportional to 792,005.80, 1,188,008.70 and 511,839.40 is: 767,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,005.80 : 1,188,008.70 = 511,839.40 : x
  2. Step 2: Convert to fraction form
    792,005.80/1,188,008.70 = 511,839.40/x
  3. Step 3: Cross multiply
    792,005.80x = 1,188,008.70 × 511,839.40
  4. Step 4: Simplify right side
    792,005.80x = 608,069,660,202.78
  5. Step 5: Solve for x
    x = 608,069,660,202.78/792,005.80
  6. Step 6: Final answer
    x = 767,759.10

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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.