Home / 757,122.06-1,136,188.13-392,719.51

Finding the Fourth Proportional to 757,122.06, 1,136,188.13 and 392,719.51

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Solution

The fourth proportional to 757,122.06, 1,136,188.13 and 392,719.51 is: 589,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,122.06 : 1,136,188.13 = 392,719.51 : x
  2. Step 2: Convert to fraction form
    757,122.06/1,136,188.13 = 392,719.51/x
  3. Step 3: Cross multiply
    757,122.06x = 1,136,188.13 × 392,719.51
  4. Step 4: Simplify right side
    757,122.06x = 446,203,245,138.05
  5. Step 5: Solve for x
    x = 446,203,245,138.05/757,122.06
  6. Step 6: Final answer
    x = 589,341.23

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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.