Home / 770,037.45-1,155,135.36-290,669.03

Finding the Fourth Proportional to 770,037.45, 1,155,135.36 and 290,669.03

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Solution

The fourth proportional to 770,037.45, 1,155,135.36 and 290,669.03 is: 436,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,037.45 : 1,155,135.36 = 290,669.03 : x
  2. Step 2: Convert to fraction form
    770,037.45/1,155,135.36 = 290,669.03/x
  3. Step 3: Cross multiply
    770,037.45x = 1,155,135.36 × 290,669.03
  4. Step 4: Simplify right side
    770,037.45x = 335,762,068,834.22
  5. Step 5: Solve for x
    x = 335,762,068,834.22/770,037.45
  6. Step 6: Final answer
    x = 436,033.43

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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.