Home / 787,902.94-1,182,223.50-388,325.89

Finding the Fourth Proportional to 787,902.94, 1,182,223.50 and 388,325.89

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Solution

The fourth proportional to 787,902.94, 1,182,223.50 and 388,325.89 is: 582,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,902.94 : 1,182,223.50 = 388,325.89 : x
  2. Step 2: Convert to fraction form
    787,902.94/1,182,223.50 = 388,325.89/x
  3. Step 3: Cross multiply
    787,902.94x = 1,182,223.50 × 388,325.89
  4. Step 4: Simplify right side
    787,902.94x = 459,087,992,816.42
  5. Step 5: Solve for x
    x = 459,087,992,816.42/787,902.94
  6. Step 6: Final answer
    x = 582,670.74

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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.