Home / 786,205.02-1,179,584.22-387,126.12

Finding the Fourth Proportional to 786,205.02, 1,179,584.22 and 387,126.12

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Solution

The fourth proportional to 786,205.02, 1,179,584.22 and 387,126.12 is: 580,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,205.02 : 1,179,584.22 = 387,126.12 : x
  2. Step 2: Convert to fraction form
    786,205.02/1,179,584.22 = 387,126.12/x
  3. Step 3: Cross multiply
    786,205.02x = 1,179,584.22 × 387,126.12
  4. Step 4: Simplify right side
    786,205.02x = 456,647,862,301.83
  5. Step 5: Solve for x
    x = 456,647,862,301.83/786,205.02
  6. Step 6: Final answer
    x = 580,825.42

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Double scale
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1.5x scale

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.