Home / 703,143.18-1,054,556.85-323,700.30

Finding the Fourth Proportional to 703,143.18, 1,054,556.85 and 323,700.30

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Solution

The fourth proportional to 703,143.18, 1,054,556.85 and 323,700.30 is: 485,477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,143.18 : 1,054,556.85 = 323,700.30 : x
  2. Step 2: Convert to fraction form
    703,143.18/1,054,556.85 = 323,700.30/x
  3. Step 3: Cross multiply
    703,143.18x = 1,054,556.85 × 323,700.30
  4. Step 4: Simplify right side
    703,143.18x = 341,360,368,712.06
  5. Step 5: Solve for x
    x = 341,360,368,712.06/703,143.18
  6. Step 6: Final answer
    x = 485,477.75

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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.