Home / 503,332.41-694,628.63-288,486.36

Finding the Fourth Proportional to 503,332.41, 694,628.63 and 288,486.36

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Solution

The fourth proportional to 503,332.41, 694,628.63 and 288,486.36 is: 398,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,332.41 : 694,628.63 = 288,486.36 : x
  2. Step 2: Convert to fraction form
    503,332.41/694,628.63 = 288,486.36/x
  3. Step 3: Cross multiply
    503,332.41x = 694,628.63 × 288,486.36
  4. Step 4: Simplify right side
    503,332.41x = 200,390,884,659.88
  5. Step 5: Solve for x
    x = 200,390,884,659.88/503,332.41
  6. Step 6: Final answer
    x = 398,128.31

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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.