Home / 551,110.55-760,480.04-309,337.70

Finding the Fourth Proportional to 551,110.55, 760,480.04 and 309,337.70

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Solution

The fourth proportional to 551,110.55, 760,480.04 and 309,337.70 is: 426,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,110.55 : 760,480.04 = 309,337.70 : x
  2. Step 2: Convert to fraction form
    551,110.55/760,480.04 = 309,337.70/x
  3. Step 3: Cross multiply
    551,110.55x = 760,480.04 × 309,337.70
  4. Step 4: Simplify right side
    551,110.55x = 235,245,141,120.42
  5. Step 5: Solve for x
    x = 235,245,141,120.42/551,110.55
  6. Step 6: Final answer
    x = 426,856.54

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