Home / 787,457.92-1,181,359.15-255,032.77

Finding the Fourth Proportional to 787,457.92, 1,181,359.15 and 255,032.77

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Solution

The fourth proportional to 787,457.92, 1,181,359.15 and 255,032.77 is: 382,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,457.92 : 1,181,359.15 = 255,032.77 : x
  2. Step 2: Convert to fraction form
    787,457.92/1,181,359.15 = 255,032.77/x
  3. Step 3: Cross multiply
    787,457.92x = 1,181,359.15 × 255,032.77
  4. Step 4: Simplify right side
    787,457.92x = 301,285,297,228.46
  5. Step 5: Solve for x
    x = 301,285,297,228.46/787,457.92
  6. Step 6: Final answer
    x = 382,604.95

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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.