Home / 722,022.86-1,083,059.42-342,748.22

Finding the Fourth Proportional to 722,022.86, 1,083,059.42 and 342,748.22

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Solution

The fourth proportional to 722,022.86, 1,083,059.42 and 342,748.22 is: 514,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,022.86 : 1,083,059.42 = 342,748.22 : x
  2. Step 2: Convert to fraction form
    722,022.86/1,083,059.42 = 342,748.22/x
  3. Step 3: Cross multiply
    722,022.86x = 1,083,059.42 × 342,748.22
  4. Step 4: Simplify right side
    722,022.86x = 371,216,681,230.19
  5. Step 5: Solve for x
    x = 371,216,681,230.19/722,022.86
  6. Step 6: Final answer
    x = 514,134.25

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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.