Home / 790,221.50-1,090,505.58-427,645.35

Finding the Fourth Proportional to 790,221.50, 1,090,505.58 and 427,645.35

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Solution

The fourth proportional to 790,221.50, 1,090,505.58 and 427,645.35 is: 590,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,221.50 : 1,090,505.58 = 427,645.35 : x
  2. Step 2: Convert to fraction form
    790,221.50/1,090,505.58 = 427,645.35/x
  3. Step 3: Cross multiply
    790,221.50x = 1,090,505.58 × 427,645.35
  4. Step 4: Simplify right side
    790,221.50x = 466,349,640,436.05
  5. Step 5: Solve for x
    x = 466,349,640,436.05/790,221.50
  6. Step 6: Final answer
    x = 590,150.53

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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.