Home / 403,831.02-605,724.60-123,326.40

Finding the Fourth Proportional to 403,831.02, 605,724.60 and 123,326.40

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Solution

The fourth proportional to 403,831.02, 605,724.60 and 123,326.40 is: 184,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,831.02 : 605,724.60 = 123,326.40 : x
  2. Step 2: Convert to fraction form
    403,831.02/605,724.60 = 123,326.40/x
  3. Step 3: Cross multiply
    403,831.02x = 605,724.60 × 123,326.40
  4. Step 4: Simplify right side
    403,831.02x = 74,701,834,309.44
  5. Step 5: Solve for x
    x = 74,701,834,309.44/403,831.02
  6. Step 6: Final answer
    x = 184,982.90

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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.