Home / 997,449.96-1,496,385.09-323,478.71

Finding the Fourth Proportional to 997,449.96, 1,496,385.09 and 323,478.71

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Solution

The fourth proportional to 997,449.96, 1,496,385.09 and 323,478.71 is: 485,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,449.96 : 1,496,385.09 = 323,478.71 : x
  2. Step 2: Convert to fraction form
    997,449.96/1,496,385.09 = 323,478.71/x
  3. Step 3: Cross multiply
    997,449.96x = 1,496,385.09 × 323,478.71
  4. Step 4: Simplify right side
    997,449.96x = 484,048,711,094.51
  5. Step 5: Solve for x
    x = 484,048,711,094.51/997,449.96
  6. Step 6: Final answer
    x = 485,286.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.