Home / 737,110.26-1,105,430.40-287,721.90

Finding the Fourth Proportional to 737,110.26, 1,105,430.40 and 287,721.90

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Solution

The fourth proportional to 737,110.26, 1,105,430.40 and 287,721.90 is: 431,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,110.26 : 1,105,430.40 = 287,721.90 : x
  2. Step 2: Convert to fraction form
    737,110.26/1,105,430.40 = 287,721.90/x
  3. Step 3: Cross multiply
    737,110.26x = 1,105,430.40 × 287,721.90
  4. Step 4: Simplify right side
    737,110.26x = 318,056,535,005.76
  5. Step 5: Solve for x
    x = 318,056,535,005.76/737,110.26
  6. Step 6: Final answer
    x = 431,491.12

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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.