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Finding the Fourth Proportional to 670,433.56, 925,065.36 and 376,092.72

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Solution

The fourth proportional to 670,433.56, 925,065.36 and 376,092.72 is: 518,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,433.56 : 925,065.36 = 376,092.72 : x
  2. Step 2: Convert to fraction form
    670,433.56/925,065.36 = 376,092.72/x
  3. Step 3: Cross multiply
    670,433.56x = 925,065.36 × 376,092.72
  4. Step 4: Simplify right side
    670,433.56x = 347,910,347,420.18
  5. Step 5: Solve for x
    x = 347,910,347,420.18/670,433.56
  6. Step 6: Final answer
    x = 518,933.37

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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.