Home / 997,776.30-1,496,883.15-323,742.90

Finding the Fourth Proportional to 997,776.30, 1,496,883.15 and 323,742.90

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Solution

The fourth proportional to 997,776.30, 1,496,883.15 and 323,742.90 is: 485,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,776.30 : 1,496,883.15 = 323,742.90 : x
  2. Step 2: Convert to fraction form
    997,776.30/1,496,883.15 = 323,742.90/x
  3. Step 3: Cross multiply
    997,776.30x = 1,496,883.15 × 323,742.90
  4. Step 4: Simplify right side
    997,776.30x = 484,605,291,942.14
  5. Step 5: Solve for x
    x = 484,605,291,942.14/997,776.30
  6. Step 6: Final answer
    x = 485,685.31

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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.