Home / 816,885.14-1,225,328.24-255,963.38

Finding the Fourth Proportional to 816,885.14, 1,225,328.24 and 255,963.38

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Solution

The fourth proportional to 816,885.14, 1,225,328.24 and 255,963.38 is: 383,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,885.14 : 1,225,328.24 = 255,963.38 : x
  2. Step 2: Convert to fraction form
    816,885.14/1,225,328.24 = 255,963.38/x
  3. Step 3: Cross multiply
    816,885.14x = 1,225,328.24 × 255,963.38
  4. Step 4: Simplify right side
    816,885.14x = 313,639,152,433.12
  5. Step 5: Solve for x
    x = 313,639,152,433.12/816,885.14
  6. Step 6: Final answer
    x = 383,945.23

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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.