Home / 790,217.50-1,090,500.09-427,641.37

Finding the Fourth Proportional to 790,217.50, 1,090,500.09 and 427,641.37

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Solution

The fourth proportional to 790,217.50, 1,090,500.09 and 427,641.37 is: 590,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,217.50 : 1,090,500.09 = 427,641.37 : x
  2. Step 2: Convert to fraction form
    790,217.50/1,090,500.09 = 427,641.37/x
  3. Step 3: Cross multiply
    790,217.50x = 1,090,500.09 × 427,641.37
  4. Step 4: Simplify right side
    790,217.50x = 466,342,952,472.72
  5. Step 5: Solve for x
    x = 466,342,952,472.72/790,217.50
  6. Step 6: Final answer
    x = 590,145.06

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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.