Home / 719,720.12-1,079,581.46-187,240.29

Finding the Fourth Proportional to 719,720.12, 1,079,581.46 and 187,240.29

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Solution

The fourth proportional to 719,720.12, 1,079,581.46 and 187,240.29 is: 280,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,720.12 : 1,079,581.46 = 187,240.29 : x
  2. Step 2: Convert to fraction form
    719,720.12/1,079,581.46 = 187,240.29/x
  3. Step 3: Cross multiply
    719,720.12x = 1,079,581.46 × 187,240.29
  4. Step 4: Simplify right side
    719,720.12x = 202,141,144,712.82
  5. Step 5: Solve for x
    x = 202,141,144,712.82/719,720.12
  6. Step 6: Final answer
    x = 280,860.77

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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.