Home / 646,218.80-968,879.32-286,193.46

Finding the Fourth Proportional to 646,218.80, 968,879.32 and 286,193.46

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Solution

The fourth proportional to 646,218.80, 968,879.32 and 286,193.46 is: 429,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,218.80 : 968,879.32 = 286,193.46 : x
  2. Step 2: Convert to fraction form
    646,218.80/968,879.32 = 286,193.46/x
  3. Step 3: Cross multiply
    646,218.80x = 968,879.32 × 286,193.46
  4. Step 4: Simplify right side
    646,218.80x = 277,286,924,913.25
  5. Step 5: Solve for x
    x = 277,286,924,913.25/646,218.80
  6. Step 6: Final answer
    x = 429,091.39

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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.