Home / 639,225.28-882,180.75-367,388.07

Finding the Fourth Proportional to 639,225.28, 882,180.75 and 367,388.07

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Solution

The fourth proportional to 639,225.28, 882,180.75 and 367,388.07 is: 507,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,225.28 : 882,180.75 = 367,388.07 : x
  2. Step 2: Convert to fraction form
    639,225.28/882,180.75 = 367,388.07/x
  3. Step 3: Cross multiply
    639,225.28x = 882,180.75 × 367,388.07
  4. Step 4: Simplify right side
    639,225.28x = 324,102,683,133.65
  5. Step 5: Solve for x
    x = 324,102,683,133.65/639,225.28
  6. Step 6: Final answer
    x = 507,024.20

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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.