Home / 753,261.01-1,129,900.71-220,792.81

Finding the Fourth Proportional to 753,261.01, 1,129,900.71 and 220,792.81

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Solution

The fourth proportional to 753,261.01, 1,129,900.71 and 220,792.81 is: 331,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,261.01 : 1,129,900.71 = 220,792.81 : x
  2. Step 2: Convert to fraction form
    753,261.01/1,129,900.71 = 220,792.81/x
  3. Step 3: Cross multiply
    753,261.01x = 1,129,900.71 × 220,792.81
  4. Step 4: Simplify right side
    753,261.01x = 249,473,946,580.41
  5. Step 5: Solve for x
    x = 249,473,946,580.41/753,261.01
  6. Step 6: Final answer
    x = 331,191.90

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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.