Home / 855,478.26-1,180,684.35-492,831.54

Finding the Fourth Proportional to 855,478.26, 1,180,684.35 and 492,831.54

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Solution

The fourth proportional to 855,478.26, 1,180,684.35 and 492,831.54 is: 680,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,478.26 : 1,180,684.35 = 492,831.54 : x
  2. Step 2: Convert to fraction form
    855,478.26/1,180,684.35 = 492,831.54/x
  3. Step 3: Cross multiply
    855,478.26x = 1,180,684.35 × 492,831.54
  4. Step 4: Simplify right side
    855,478.26x = 581,878,486,464.40
  5. Step 5: Solve for x
    x = 581,878,486,464.40/855,478.26
  6. Step 6: Final answer
    x = 680,179.16

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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.