Home / 753,168.77-1,129,762.29-220,700.60

Finding the Fourth Proportional to 753,168.77, 1,129,762.29 and 220,700.60

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Solution

The fourth proportional to 753,168.77, 1,129,762.29 and 220,700.60 is: 331,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,168.77 : 1,129,762.29 = 220,700.60 : x
  2. Step 2: Convert to fraction form
    753,168.77/1,129,762.29 = 220,700.60/x
  3. Step 3: Cross multiply
    753,168.77x = 1,129,762.29 × 220,700.60
  4. Step 4: Simplify right side
    753,168.77x = 249,339,209,611.56
  5. Step 5: Solve for x
    x = 249,339,209,611.56/753,168.77
  6. Step 6: Final answer
    x = 331,053.57

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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.