Home / 790,516.66-1,090,911.73-427,940.42

Finding the Fourth Proportional to 790,516.66, 1,090,911.73 and 427,940.42

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Solution

The fourth proportional to 790,516.66, 1,090,911.73 and 427,940.42 is: 590,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,516.66 : 1,090,911.73 = 427,940.42 : x
  2. Step 2: Convert to fraction form
    790,516.66/1,090,911.73 = 427,940.42/x
  3. Step 3: Cross multiply
    790,516.66x = 1,090,911.73 × 427,940.42
  4. Step 4: Simplify right side
    790,516.66x = 466,845,225,576.56
  5. Step 5: Solve for x
    x = 466,845,225,576.56/790,516.66
  6. Step 6: Final answer
    x = 590,557.10

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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.