Home / 693,776.72-1,039,189.76-333,418.36

Finding the Fourth Proportional to 693,776.72, 1,039,189.76 and 333,418.36

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Solution

The fourth proportional to 693,776.72, 1,039,189.76 and 333,418.36 is: 499,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,776.72 : 1,039,189.76 = 333,418.36 : x
  2. Step 2: Convert to fraction form
    693,776.72/1,039,189.76 = 333,418.36/x
  3. Step 3: Cross multiply
    693,776.72x = 1,039,189.76 × 333,418.36
  4. Step 4: Simplify right side
    693,776.72x = 346,484,945,507.99
  5. Step 5: Solve for x
    x = 346,484,945,507.99/693,776.72
  6. Step 6: Final answer
    x = 499,418.52

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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.