Home / 648,212.81-894,426.68-361,732.20

Finding the Fourth Proportional to 648,212.81, 894,426.68 and 361,732.20

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Solution

The fourth proportional to 648,212.81, 894,426.68 and 361,732.20 is: 499,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,212.81 : 894,426.68 = 361,732.20 : x
  2. Step 2: Convert to fraction form
    648,212.81/894,426.68 = 361,732.20/x
  3. Step 3: Cross multiply
    648,212.81x = 894,426.68 × 361,732.20
  4. Step 4: Simplify right side
    648,212.81x = 323,542,928,886.44
  5. Step 5: Solve for x
    x = 323,542,928,886.44/648,212.81
  6. Step 6: Final answer
    x = 499,130.73

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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.