Home / 872,833.80-1,309,250.70-281,857.80

Finding the Fourth Proportional to 872,833.80, 1,309,250.70 and 281,857.80

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Solution

The fourth proportional to 872,833.80, 1,309,250.70 and 281,857.80 is: 422,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,833.80 : 1,309,250.70 = 281,857.80 : x
  2. Step 2: Convert to fraction form
    872,833.80/1,309,250.70 = 281,857.80/x
  3. Step 3: Cross multiply
    872,833.80x = 1,309,250.70 × 281,857.80
  4. Step 4: Simplify right side
    872,833.80x = 369,022,521,950.46
  5. Step 5: Solve for x
    x = 369,022,521,950.46/872,833.80
  6. Step 6: Final answer
    x = 422,786.70

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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.