Home / 823,477.52-1,235,315.90-290,889.56

Finding the Fourth Proportional to 823,477.52, 1,235,315.90 and 290,889.56

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Solution

The fourth proportional to 823,477.52, 1,235,315.90 and 290,889.56 is: 436,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,477.52 : 1,235,315.90 = 290,889.56 : x
  2. Step 2: Convert to fraction form
    823,477.52/1,235,315.90 = 290,889.56/x
  3. Step 3: Cross multiply
    823,477.52x = 1,235,315.90 × 290,889.56
  4. Step 4: Simplify right side
    823,477.52x = 359,340,493,162.65
  5. Step 5: Solve for x
    x = 359,340,493,162.65/823,477.52
  6. Step 6: Final answer
    x = 436,369.53

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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.