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Finding the Fourth Proportional to 679,408.45, 937,595.52 and 373,497.73

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Solution

The fourth proportional to 679,408.45, 937,595.52 and 373,497.73 is: 515,433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,408.45 : 937,595.52 = 373,497.73 : x
  2. Step 2: Convert to fraction form
    679,408.45/937,595.52 = 373,497.73/x
  3. Step 3: Cross multiply
    679,408.45x = 937,595.52 × 373,497.73
  4. Step 4: Simplify right side
    679,408.45x = 350,189,796,034.18
  5. Step 5: Solve for x
    x = 350,189,796,034.18/679,408.45
  6. Step 6: Final answer
    x = 515,433.39

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1.5x scale

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.