Home / 723,140.56-1,084,717.32-190,737.28

Finding the Fourth Proportional to 723,140.56, 1,084,717.32 and 190,737.28

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Solution

The fourth proportional to 723,140.56, 1,084,717.32 and 190,737.28 is: 286,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,140.56 : 1,084,717.32 = 190,737.28 : x
  2. Step 2: Convert to fraction form
    723,140.56/1,084,717.32 = 190,737.28/x
  3. Step 3: Cross multiply
    723,140.56x = 1,084,717.32 × 190,737.28
  4. Step 4: Simplify right side
    723,140.56x = 206,896,031,185.69
  5. Step 5: Solve for x
    x = 206,896,031,185.69/723,140.56
  6. Step 6: Final answer
    x = 286,107.63

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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.