Home / 742,422.51-1,024,013.79-681,365.51

Finding the Fourth Proportional to 742,422.51, 1,024,013.79 and 681,365.51

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Solution

The fourth proportional to 742,422.51, 1,024,013.79 and 681,365.51 is: 939,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,422.51 : 1,024,013.79 = 681,365.51 : x
  2. Step 2: Convert to fraction form
    742,422.51/1,024,013.79 = 681,365.51/x
  3. Step 3: Cross multiply
    742,422.51x = 1,024,013.79 × 681,365.51
  4. Step 4: Simplify right side
    742,422.51x = 697,727,673,150.31
  5. Step 5: Solve for x
    x = 697,727,673,150.31/742,422.51
  6. Step 6: Final answer
    x = 939,798.65

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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.