Home / 710,920.76-1,066,383.16-205,522.88

Finding the Fourth Proportional to 710,920.76, 1,066,383.16 and 205,522.88

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Solution

The fourth proportional to 710,920.76, 1,066,383.16 and 205,522.88 is: 308,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,920.76 : 1,066,383.16 = 205,522.88 : x
  2. Step 2: Convert to fraction form
    710,920.76/1,066,383.16 = 205,522.88/x
  3. Step 3: Cross multiply
    710,920.76x = 1,066,383.16 × 205,522.88
  4. Step 4: Simplify right side
    710,920.76x = 219,166,132,380.98
  5. Step 5: Solve for x
    x = 219,166,132,380.98/710,920.76
  6. Step 6: Final answer
    x = 308,284.90

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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.