Home / 689,082.50-1,032,571.26-289,504.82

Finding the Fourth Proportional to 689,082.50, 1,032,571.26 and 289,504.82

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Solution

The fourth proportional to 689,082.50, 1,032,571.26 and 289,504.82 is: 433,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,082.50 : 1,032,571.26 = 289,504.82 : x
  2. Step 2: Convert to fraction form
    689,082.50/1,032,571.26 = 289,504.82/x
  3. Step 3: Cross multiply
    689,082.50x = 1,032,571.26 × 289,504.82
  4. Step 4: Simplify right side
    689,082.50x = 298,934,356,763.47
  5. Step 5: Solve for x
    x = 298,934,356,763.47/689,082.50
  6. Step 6: Final answer
    x = 433,815.05

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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.