Home / 742,917.29-1,113,746.49-293,954.90

Finding the Fourth Proportional to 742,917.29, 1,113,746.49 and 293,954.90

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Solution

The fourth proportional to 742,917.29, 1,113,746.49 and 293,954.90 is: 440,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,917.29 : 1,113,746.49 = 293,954.90 : x
  2. Step 2: Convert to fraction form
    742,917.29/1,113,746.49 = 293,954.90/x
  3. Step 3: Cross multiply
    742,917.29x = 1,113,746.49 × 293,954.90
  4. Step 4: Simplify right side
    742,917.29x = 327,391,236,897.09
  5. Step 5: Solve for x
    x = 327,391,236,897.09/742,917.29
  6. Step 6: Final answer
    x = 440,683.29

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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.