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Finding the Fourth Proportional to 675,301.23, 931,812.26 and 388,765.95

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Solution

The fourth proportional to 675,301.23, 931,812.26 and 388,765.95 is: 536,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,301.23 : 931,812.26 = 388,765.95 : x
  2. Step 2: Convert to fraction form
    675,301.23/931,812.26 = 388,765.95/x
  3. Step 3: Cross multiply
    675,301.23x = 931,812.26 × 388,765.95
  4. Step 4: Simplify right side
    675,301.23x = 362,256,876,536.72
  5. Step 5: Solve for x
    x = 362,256,876,536.72/675,301.23
  6. Step 6: Final answer
    x = 536,437.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.