Home / 559,940.78-772,579.70-342,093.38

Finding the Fourth Proportional to 559,940.78, 772,579.70 and 342,093.38

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Solution

The fourth proportional to 559,940.78, 772,579.70 and 342,093.38 is: 472,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,940.78 : 772,579.70 = 342,093.38 : x
  2. Step 2: Convert to fraction form
    559,940.78/772,579.70 = 342,093.38/x
  3. Step 3: Cross multiply
    559,940.78x = 772,579.70 × 342,093.38
  4. Step 4: Simplify right side
    559,940.78x = 264,294,400,892.39
  5. Step 5: Solve for x
    x = 264,294,400,892.39/559,940.78
  6. Step 6: Final answer
    x = 472,004.20

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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.