Home / 940,639.95-1,410,863.83-257,587.58

Finding the Fourth Proportional to 940,639.95, 1,410,863.83 and 257,587.58

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Solution

The fourth proportional to 940,639.95, 1,410,863.83 and 257,587.58 is: 386,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,639.95 : 1,410,863.83 = 257,587.58 : x
  2. Step 2: Convert to fraction form
    940,639.95/1,410,863.83 = 257,587.58/x
  3. Step 3: Cross multiply
    940,639.95x = 1,410,863.83 × 257,587.58
  4. Step 4: Simplify right side
    940,639.95x = 363,420,999,679.23
  5. Step 5: Solve for x
    x = 363,420,999,679.23/940,639.95
  6. Step 6: Final answer
    x = 386,355.06

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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.