Home / 740,810.03-1,111,214.78-208,331.04

Finding the Fourth Proportional to 740,810.03, 1,111,214.78 and 208,331.04

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Solution

The fourth proportional to 740,810.03, 1,111,214.78 and 208,331.04 is: 312,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,810.03 : 1,111,214.78 = 208,331.04 : x
  2. Step 2: Convert to fraction form
    740,810.03/1,111,214.78 = 208,331.04/x
  3. Step 3: Cross multiply
    740,810.03x = 1,111,214.78 × 208,331.04
  4. Step 4: Simplify right side
    740,810.03x = 231,500,527,850.90
  5. Step 5: Solve for x
    x = 231,500,527,850.90/740,810.03
  6. Step 6: Final answer
    x = 312,496.48

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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.