Home / 710,512.44-1,065,839.54-205,085.67

Finding the Fourth Proportional to 710,512.44, 1,065,839.54 and 205,085.67

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Solution

The fourth proportional to 710,512.44, 1,065,839.54 and 205,085.67 is: 307,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,512.44 : 1,065,839.54 = 205,085.67 : x
  2. Step 2: Convert to fraction form
    710,512.44/1,065,839.54 = 205,085.67/x
  3. Step 3: Cross multiply
    710,512.44x = 1,065,839.54 × 205,085.67
  4. Step 4: Simplify right side
    710,512.44x = 218,588,415,147.96
  5. Step 5: Solve for x
    x = 218,588,415,147.96/710,512.44
  6. Step 6: Final answer
    x = 307,648.96

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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.