Home / 999,431.64-1,499,148.06-251,477.64

Finding the Fourth Proportional to 999,431.64, 1,499,148.06 and 251,477.64

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Solution

The fourth proportional to 999,431.64, 1,499,148.06 and 251,477.64 is: 377,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,431.64 : 1,499,148.06 = 251,477.64 : x
  2. Step 2: Convert to fraction form
    999,431.64/1,499,148.06 = 251,477.64/x
  3. Step 3: Cross multiply
    999,431.64x = 1,499,148.06 × 251,477.64
  4. Step 4: Simplify right side
    999,431.64x = 377,002,216,139.38
  5. Step 5: Solve for x
    x = 377,002,216,139.38/999,431.64
  6. Step 6: Final answer
    x = 377,216.61

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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.