Home / 509,534.30-703,166.07-280,101.25

Finding the Fourth Proportional to 509,534.30, 703,166.07 and 280,101.25

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Solution

The fourth proportional to 509,534.30, 703,166.07 and 280,101.25 is: 386,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,534.30 : 703,166.07 = 280,101.25 : x
  2. Step 2: Convert to fraction form
    509,534.30/703,166.07 = 280,101.25/x
  3. Step 3: Cross multiply
    509,534.30x = 703,166.07 × 280,101.25
  4. Step 4: Simplify right side
    509,534.30x = 196,957,690,248.25
  5. Step 5: Solve for x
    x = 196,957,690,248.25/509,534.30
  6. Step 6: Final answer
    x = 386,544.52

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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.