Home / 646,265.77-891,829.38-359,785.88

Finding the Fourth Proportional to 646,265.77, 891,829.38 and 359,785.88

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Solution

The fourth proportional to 646,265.77, 891,829.38 and 359,785.88 is: 496,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,265.77 : 891,829.38 = 359,785.88 : x
  2. Step 2: Convert to fraction form
    646,265.77/891,829.38 = 359,785.88/x
  3. Step 3: Cross multiply
    646,265.77x = 891,829.38 × 359,785.88
  4. Step 4: Simplify right side
    646,265.77x = 320,867,618,293.15
  5. Step 5: Solve for x
    x = 320,867,618,293.15/646,265.77
  6. Step 6: Final answer
    x = 496,494.84

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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.