Home / 856,369.53-1,181,790.86-463,903.40

Finding the Fourth Proportional to 856,369.53, 1,181,790.86 and 463,903.40

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Solution

The fourth proportional to 856,369.53, 1,181,790.86 and 463,903.40 is: 640,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,369.53 : 1,181,790.86 = 463,903.40 : x
  2. Step 2: Convert to fraction form
    856,369.53/1,181,790.86 = 463,903.40/x
  3. Step 3: Cross multiply
    856,369.53x = 1,181,790.86 × 463,903.40
  4. Step 4: Simplify right side
    856,369.53x = 548,236,792,133.97
  5. Step 5: Solve for x
    x = 548,236,792,133.97/856,369.53
  6. Step 6: Final answer
    x = 640,187.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.