Home / 679,212.27-937,251.93-373,285.30

Finding the Fourth Proportional to 679,212.27, 937,251.93 and 373,285.30

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Solution

The fourth proportional to 679,212.27, 937,251.93 and 373,285.30 is: 515,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,212.27 : 937,251.93 = 373,285.30 : x
  2. Step 2: Convert to fraction form
    679,212.27/937,251.93 = 373,285.30/x
  3. Step 3: Cross multiply
    679,212.27x = 937,251.93 × 373,285.30
  4. Step 4: Simplify right side
    679,212.27x = 349,862,367,865.63
  5. Step 5: Solve for x
    x = 349,862,367,865.63/679,212.27
  6. Step 6: Final answer
    x = 515,100.19

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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.