Home / 753,164.64-1,129,756.10-220,696.47

Finding the Fourth Proportional to 753,164.64, 1,129,756.10 and 220,696.47

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Solution

The fourth proportional to 753,164.64, 1,129,756.10 and 220,696.47 is: 331,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,164.64 : 1,129,756.10 = 220,696.47 : x
  2. Step 2: Convert to fraction form
    753,164.64/1,129,756.10 = 220,696.47/x
  3. Step 3: Cross multiply
    753,164.64x = 1,129,756.10 × 220,696.47
  4. Step 4: Simplify right side
    753,164.64x = 249,333,182,127.49
  5. Step 5: Solve for x
    x = 249,333,182,127.49/753,164.64
  6. Step 6: Final answer
    x = 331,047.38

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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.