Home / 759,521.46-1,139,842.91-360,163.57

Finding the Fourth Proportional to 759,521.46, 1,139,842.91 and 360,163.57

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Solution

The fourth proportional to 759,521.46, 1,139,842.91 and 360,163.57 is: 540,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,521.46 : 1,139,842.91 = 360,163.57 : x
  2. Step 2: Convert to fraction form
    759,521.46/1,139,842.91 = 360,163.57/x
  3. Step 3: Cross multiply
    759,521.46x = 1,139,842.91 × 360,163.57
  4. Step 4: Simplify right side
    759,521.46x = 410,529,891,704.79
  5. Step 5: Solve for x
    x = 410,529,891,704.79/759,521.46
  6. Step 6: Final answer
    x = 540,511.25

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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.