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Finding the Fourth Proportional to 684,676.89, 944,854.94 and 374,583.37

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Solution

The fourth proportional to 684,676.89, 944,854.94 and 374,583.37 is: 516,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,676.89 : 944,854.94 = 374,583.37 : x
  2. Step 2: Convert to fraction form
    684,676.89/944,854.94 = 374,583.37/x
  3. Step 3: Cross multiply
    684,676.89x = 944,854.94 × 374,583.37
  4. Step 4: Simplify right side
    684,676.89x = 353,926,947,586.35
  5. Step 5: Solve for x
    x = 353,926,947,586.35/684,676.89
  6. Step 6: Final answer
    x = 516,925.51

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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.