Home / 648,035.13-894,288.96-361,555.41

Finding the Fourth Proportional to 648,035.13, 894,288.96 and 361,555.41

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Solution

The fourth proportional to 648,035.13, 894,288.96 and 361,555.41 is: 498,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,035.13 : 894,288.96 = 361,555.41 : x
  2. Step 2: Convert to fraction form
    648,035.13/894,288.96 = 361,555.41/x
  3. Step 3: Cross multiply
    648,035.13x = 894,288.96 × 361,555.41
  4. Step 4: Simplify right side
    648,035.13x = 323,335,011,591.27
  5. Step 5: Solve for x
    x = 323,335,011,591.27/648,035.13
  6. Step 6: Final answer
    x = 498,946.73

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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.