Home / 646,265.26-891,828.68-359,785.34

Finding the Fourth Proportional to 646,265.26, 891,828.68 and 359,785.34

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Solution

The fourth proportional to 646,265.26, 891,828.68 and 359,785.34 is: 496,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,265.26 : 891,828.68 = 359,785.34 : x
  2. Step 2: Convert to fraction form
    646,265.26/891,828.68 = 359,785.34/x
  3. Step 3: Cross multiply
    646,265.26x = 891,828.68 × 359,785.34
  4. Step 4: Simplify right side
    646,265.26x = 320,866,884,855.55
  5. Step 5: Solve for x
    x = 320,866,884,855.55/646,265.26
  6. Step 6: Final answer
    x = 496,494.09

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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.