Home / 639,226.28-882,182.13-367,389.07

Finding the Fourth Proportional to 639,226.28, 882,182.13 and 367,389.07

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Solution

The fourth proportional to 639,226.28, 882,182.13 and 367,389.07 is: 507,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,226.28 : 882,182.13 = 367,389.07 : x
  2. Step 2: Convert to fraction form
    639,226.28/882,182.13 = 367,389.07/x
  3. Step 3: Cross multiply
    639,226.28x = 882,182.13 × 367,389.07
  4. Step 4: Simplify right side
    639,226.28x = 324,104,072,311.32
  5. Step 5: Solve for x
    x = 324,104,072,311.32/639,226.28
  6. Step 6: Final answer
    x = 507,025.58

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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.