Home / 770,037.02-1,155,134.76-290,668.58

Finding the Fourth Proportional to 770,037.02, 1,155,134.76 and 290,668.58

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Solution

The fourth proportional to 770,037.02, 1,155,134.76 and 290,668.58 is: 436,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,037.02 : 1,155,134.76 = 290,668.58 : x
  2. Step 2: Convert to fraction form
    770,037.02/1,155,134.76 = 290,668.58/x
  3. Step 3: Cross multiply
    770,037.02x = 1,155,134.76 × 290,668.58
  4. Step 4: Simplify right side
    770,037.02x = 335,761,380,397.84
  5. Step 5: Solve for x
    x = 335,761,380,397.84/770,037.02
  6. Step 6: Final answer
    x = 436,032.78

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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.