Home / 772,178.36-1,156,690.74-397,414.04

Finding the Fourth Proportional to 772,178.36, 1,156,690.74 and 397,414.04

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Solution

The fourth proportional to 772,178.36, 1,156,690.74 and 397,414.04 is: 595,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,178.36 : 1,156,690.74 = 397,414.04 : x
  2. Step 2: Convert to fraction form
    772,178.36/1,156,690.74 = 397,414.04/x
  3. Step 3: Cross multiply
    772,178.36x = 1,156,690.74 × 397,414.04
  4. Step 4: Simplify right side
    772,178.36x = 459,685,140,013.99
  5. Step 5: Solve for x
    x = 459,685,140,013.99/772,178.36
  6. Step 6: Final answer
    x = 595,309.53

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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.