Home / 753,172.36-1,129,767.72-220,704.16

Finding the Fourth Proportional to 753,172.36, 1,129,767.72 and 220,704.16

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Solution

The fourth proportional to 753,172.36, 1,129,767.72 and 220,704.16 is: 331,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,172.36 : 1,129,767.72 = 220,704.16 : x
  2. Step 2: Convert to fraction form
    753,172.36/1,129,767.72 = 220,704.16/x
  3. Step 3: Cross multiply
    753,172.36x = 1,129,767.72 × 220,704.16
  4. Step 4: Simplify right side
    753,172.36x = 249,344,435,637.72
  5. Step 5: Solve for x
    x = 249,344,435,637.72/753,172.36
  6. Step 6: Final answer
    x = 331,058.93

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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.