Home / 770,534.97-1,155,310.38-370,379.58

Finding the Fourth Proportional to 770,534.97, 1,155,310.38 and 370,379.58

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Solution

The fourth proportional to 770,534.97, 1,155,310.38 and 370,379.58 is: 555,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,534.97 : 1,155,310.38 = 370,379.58 : x
  2. Step 2: Convert to fraction form
    770,534.97/1,155,310.38 = 370,379.58/x
  3. Step 3: Cross multiply
    770,534.97x = 1,155,310.38 × 370,379.58
  4. Step 4: Simplify right side
    770,534.97x = 427,903,373,314.04
  5. Step 5: Solve for x
    x = 427,903,373,314.04/770,534.97
  6. Step 6: Final answer
    x = 555,332.84

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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.