Home / 792,147.20-1,188,220.80-579,570.80

Finding the Fourth Proportional to 792,147.20, 1,188,220.80 and 579,570.80

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Solution

The fourth proportional to 792,147.20, 1,188,220.80 and 579,570.80 is: 869,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,147.20 : 1,188,220.80 = 579,570.80 : x
  2. Step 2: Convert to fraction form
    792,147.20/1,188,220.80 = 579,570.80/x
  3. Step 3: Cross multiply
    792,147.20x = 1,188,220.80 × 579,570.80
  4. Step 4: Simplify right side
    792,147.20x = 688,658,079,632.64
  5. Step 5: Solve for x
    x = 688,658,079,632.64/792,147.20
  6. Step 6: Final answer
    x = 869,356.20

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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.