Home / 646,059.38-891,546.17-355,668.57

Finding the Fourth Proportional to 646,059.38, 891,546.17 and 355,668.57

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Solution

The fourth proportional to 646,059.38, 891,546.17 and 355,668.57 is: 490,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,059.38 : 891,546.17 = 355,668.57 : x
  2. Step 2: Convert to fraction form
    646,059.38/891,546.17 = 355,668.57/x
  3. Step 3: Cross multiply
    646,059.38x = 891,546.17 × 355,668.57
  4. Step 4: Simplify right side
    646,059.38x = 317,094,949,594.53
  5. Step 5: Solve for x
    x = 317,094,949,594.53/646,059.38
  6. Step 6: Final answer
    x = 490,813.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.