Home / 759,455.06-1,139,743.17-360,097.25

Finding the Fourth Proportional to 759,455.06, 1,139,743.17 and 360,097.25

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Solution

The fourth proportional to 759,455.06, 1,139,743.17 and 360,097.25 is: 540,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,455.06 : 1,139,743.17 = 360,097.25 : x
  2. Step 2: Convert to fraction form
    759,455.06/1,139,743.17 = 360,097.25/x
  3. Step 3: Cross multiply
    759,455.06x = 1,139,743.17 × 360,097.25
  4. Step 4: Simplify right side
    759,455.06x = 410,418,375,524.57
  5. Step 5: Solve for x
    x = 410,418,375,524.57/759,455.06
  6. Step 6: Final answer
    x = 540,411.67

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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.