Home / 742,389.33-1,113,570.32-236,946.29

Finding the Fourth Proportional to 742,389.33, 1,113,570.32 and 236,946.29

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Solution

The fourth proportional to 742,389.33, 1,113,570.32 and 236,946.29 is: 355,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,389.33 : 1,113,570.32 = 236,946.29 : x
  2. Step 2: Convert to fraction form
    742,389.33/1,113,570.32 = 236,946.29/x
  3. Step 3: Cross multiply
    742,389.33x = 1,113,570.32 × 236,946.29
  4. Step 4: Simplify right side
    742,389.33x = 263,856,355,978.11
  5. Step 5: Solve for x
    x = 263,856,355,978.11/742,389.33
  6. Step 6: Final answer
    x = 355,415.07

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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.