Home / 639,224.02-882,280.11-367,449.58

Finding the Fourth Proportional to 639,224.02, 882,280.11 and 367,449.58

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Solution

The fourth proportional to 639,224.02, 882,280.11 and 367,449.58 is: 507,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,224.02 : 882,280.11 = 367,449.58 : x
  2. Step 2: Convert to fraction form
    639,224.02/882,280.11 = 367,449.58/x
  3. Step 3: Cross multiply
    639,224.02x = 882,280.11 × 367,449.58
  4. Step 4: Simplify right side
    639,224.02x = 324,193,458,342.64
  5. Step 5: Solve for x
    x = 324,193,458,342.64/639,224.02
  6. Step 6: Final answer
    x = 507,167.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.