Home / 662,480.02-993,720.34-213,200.84

Finding the Fourth Proportional to 662,480.02, 993,720.34 and 213,200.84

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Solution

The fourth proportional to 662,480.02, 993,720.34 and 213,200.84 is: 319,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,480.02 : 993,720.34 = 213,200.84 : x
  2. Step 2: Convert to fraction form
    662,480.02/993,720.34 = 213,200.84/x
  3. Step 3: Cross multiply
    662,480.02x = 993,720.34 × 213,200.84
  4. Step 4: Simplify right side
    662,480.02x = 211,862,011,213.09
  5. Step 5: Solve for x
    x = 211,862,011,213.09/662,480.02
  6. Step 6: Final answer
    x = 319,801.36

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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.