Home / 993,757.82-1,490,322.92-319,688.91

Finding the Fourth Proportional to 993,757.82, 1,490,322.92 and 319,688.91

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Solution

The fourth proportional to 993,757.82, 1,490,322.92 and 319,688.91 is: 479,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,757.82 : 1,490,322.92 = 319,688.91 : x
  2. Step 2: Convert to fraction form
    993,757.82/1,490,322.92 = 319,688.91/x
  3. Step 3: Cross multiply
    993,757.82x = 1,490,322.92 × 319,688.91
  4. Step 4: Simplify right side
    993,757.82x = 476,439,708,244.37
  5. Step 5: Solve for x
    x = 476,439,708,244.37/993,757.82
  6. Step 6: Final answer
    x = 479,432.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.