Home / 662,132.28-993,191.37-438,493.30

Finding the Fourth Proportional to 662,132.28, 993,191.37 and 438,493.30

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Solution

The fourth proportional to 662,132.28, 993,191.37 and 438,493.30 is: 657,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,132.28 : 993,191.37 = 438,493.30 : x
  2. Step 2: Convert to fraction form
    662,132.28/993,191.37 = 438,493.30/x
  3. Step 3: Cross multiply
    662,132.28x = 993,191.37 × 438,493.30
  4. Step 4: Simplify right side
    662,132.28x = 435,507,761,362.82
  5. Step 5: Solve for x
    x = 435,507,761,362.82/662,132.28
  6. Step 6: Final answer
    x = 657,735.28

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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.