Home / 855,025.60-1,179,831.60-492,566.80

Finding the Fourth Proportional to 855,025.60, 1,179,831.60 and 492,566.80

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Solution

The fourth proportional to 855,025.60, 1,179,831.60 and 492,566.80 is: 679,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,025.60 : 1,179,831.60 = 492,566.80 : x
  2. Step 2: Convert to fraction form
    855,025.60/1,179,831.60 = 492,566.80/x
  3. Step 3: Cross multiply
    855,025.60x = 1,179,831.60 × 492,566.80
  4. Step 4: Simplify right side
    855,025.60x = 581,145,875,750.88
  5. Step 5: Solve for x
    x = 581,145,875,750.88/855,025.60
  6. Step 6: Final answer
    x = 679,682.43

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1.5x scale

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.