Home / 781,868.44-1,172,823.16-269,528.16

Finding the Fourth Proportional to 781,868.44, 1,172,823.16 and 269,528.16

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Solution

The fourth proportional to 781,868.44, 1,172,823.16 and 269,528.16 is: 404,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,868.44 : 1,172,823.16 = 269,528.16 : x
  2. Step 2: Convert to fraction form
    781,868.44/1,172,823.16 = 269,528.16/x
  3. Step 3: Cross multiply
    781,868.44x = 1,172,823.16 × 269,528.16
  4. Step 4: Simplify right side
    781,868.44x = 316,108,868,320.19
  5. Step 5: Solve for x
    x = 316,108,868,320.19/781,868.44
  6. Step 6: Final answer
    x = 404,299.31

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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.