Home / 503,735.19-695,127.38-288,884.31

Finding the Fourth Proportional to 503,735.19, 695,127.38 and 288,884.31

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Solution

The fourth proportional to 503,735.19, 695,127.38 and 288,884.31 is: 398,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,735.19 : 695,127.38 = 288,884.31 : x
  2. Step 2: Convert to fraction form
    503,735.19/695,127.38 = 288,884.31/x
  3. Step 3: Cross multiply
    503,735.19x = 695,127.38 × 288,884.31
  4. Step 4: Simplify right side
    503,735.19x = 200,811,392,088.99
  5. Step 5: Solve for x
    x = 200,811,392,088.99/503,735.19
  6. Step 6: Final answer
    x = 398,644.76

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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.