Home / 752,367.51-1,127,886.96-575,663.38

Finding the Fourth Proportional to 752,367.51, 1,127,886.96 and 575,663.38

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Solution

The fourth proportional to 752,367.51, 1,127,886.96 and 575,663.38 is: 862,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,367.51 : 1,127,886.96 = 575,663.38 : x
  2. Step 2: Convert to fraction form
    752,367.51/1,127,886.96 = 575,663.38/x
  3. Step 3: Cross multiply
    752,367.51x = 1,127,886.96 × 575,663.38
  4. Step 4: Simplify right side
    752,367.51x = 649,283,217,342.63
  5. Step 5: Solve for x
    x = 649,283,217,342.63/752,367.51
  6. Step 6: Final answer
    x = 862,986.78

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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.