Home / 648,198.24-894,455.28-406,403.52

Finding the Fourth Proportional to 648,198.24, 894,455.28 and 406,403.52

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Solution

The fourth proportional to 648,198.24, 894,455.28 and 406,403.52 is: 560,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,198.24 : 894,455.28 = 406,403.52 : x
  2. Step 2: Convert to fraction form
    648,198.24/894,455.28 = 406,403.52/x
  3. Step 3: Cross multiply
    648,198.24x = 894,455.28 × 406,403.52
  4. Step 4: Simplify right side
    648,198.24x = 363,509,774,274.59
  5. Step 5: Solve for x
    x = 363,509,774,274.59/648,198.24
  6. Step 6: Final answer
    x = 560,800.31

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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.