Home / 598,645.20-899,004.60-579,982.80

Finding the Fourth Proportional to 598,645.20, 899,004.60 and 579,982.80

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Solution

The fourth proportional to 598,645.20, 899,004.60 and 579,982.80 is: 870,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,645.20 : 899,004.60 = 579,982.80 : x
  2. Step 2: Convert to fraction form
    598,645.20/899,004.60 = 579,982.80/x
  3. Step 3: Cross multiply
    598,645.20x = 899,004.60 × 579,982.80
  4. Step 4: Simplify right side
    598,645.20x = 521,407,205,120.88
  5. Step 5: Solve for x
    x = 521,407,205,120.88/598,645.20
  6. Step 6: Final answer
    x = 870,978.68

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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.