Home / 847,010.50-1,270,479.30-215,905.48

Finding the Fourth Proportional to 847,010.50, 1,270,479.30 and 215,905.48

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Solution

The fourth proportional to 847,010.50, 1,270,479.30 and 215,905.48 is: 323,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,010.50 : 1,270,479.30 = 215,905.48 : x
  2. Step 2: Convert to fraction form
    847,010.50/1,270,479.30 = 215,905.48/x
  3. Step 3: Cross multiply
    847,010.50x = 1,270,479.30 × 215,905.48
  4. Step 4: Simplify right side
    847,010.50x = 274,303,443,096.56
  5. Step 5: Solve for x
    x = 274,303,443,096.56/847,010.50
  6. Step 6: Final answer
    x = 323,848.93

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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.