Home / 719,720.67-1,079,582.37-187,240.83

Finding the Fourth Proportional to 719,720.67, 1,079,582.37 and 187,240.83

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Solution

The fourth proportional to 719,720.67, 1,079,582.37 and 187,240.83 is: 280,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,720.67 : 1,079,582.37 = 187,240.83 : x
  2. Step 2: Convert to fraction form
    719,720.67/1,079,582.37 = 187,240.83/x
  3. Step 3: Cross multiply
    719,720.67x = 1,079,582.37 × 187,240.83
  4. Step 4: Simplify right side
    719,720.67x = 202,141,899,012.17
  5. Step 5: Solve for x
    x = 202,141,899,012.17/719,720.67
  6. Step 6: Final answer
    x = 280,861.60

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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.