Home / 913,644.20-1,260,831.88-494,539.88

Finding the Fourth Proportional to 913,644.20, 1,260,831.88 and 494,539.88

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Solution

The fourth proportional to 913,644.20, 1,260,831.88 and 494,539.88 is: 682,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,644.20 : 1,260,831.88 = 494,539.88 : x
  2. Step 2: Convert to fraction form
    913,644.20/1,260,831.88 = 494,539.88/x
  3. Step 3: Cross multiply
    913,644.20x = 1,260,831.88 × 494,539.88
  4. Step 4: Simplify right side
    913,644.20x = 623,531,646,635.37
  5. Step 5: Solve for x
    x = 623,531,646,635.37/913,644.20
  6. Step 6: Final answer
    x = 682,466.60

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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.