Home / 648,210.28-894,447.66-361,742.44

Finding the Fourth Proportional to 648,210.28, 894,447.66 and 361,742.44

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Solution

The fourth proportional to 648,210.28, 894,447.66 and 361,742.44 is: 499,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,210.28 : 894,447.66 = 361,742.44 : x
  2. Step 2: Convert to fraction form
    648,210.28/894,447.66 = 361,742.44/x
  3. Step 3: Cross multiply
    648,210.28x = 894,447.66 × 361,742.44
  4. Step 4: Simplify right side
    648,210.28x = 323,559,678,980.69
  5. Step 5: Solve for x
    x = 323,559,678,980.69/648,210.28
  6. Step 6: Final answer
    x = 499,158.51

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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.