Home / 985,467.20-1,478,200.80-558,564.80

Finding the Fourth Proportional to 985,467.20, 1,478,200.80 and 558,564.80

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Solution

The fourth proportional to 985,467.20, 1,478,200.80 and 558,564.80 is: 837,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,467.20 : 1,478,200.80 = 558,564.80 : x
  2. Step 2: Convert to fraction form
    985,467.20/1,478,200.80 = 558,564.80/x
  3. Step 3: Cross multiply
    985,467.20x = 1,478,200.80 × 558,564.80
  4. Step 4: Simplify right side
    985,467.20x = 825,670,934,211.84
  5. Step 5: Solve for x
    x = 825,670,934,211.84/985,467.20
  6. Step 6: Final answer
    x = 837,847.20

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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.