Home / 628,325.11-867,079.11-341,838.64

Finding the Fourth Proportional to 628,325.11, 867,079.11 and 341,838.64

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Solution

The fourth proportional to 628,325.11, 867,079.11 and 341,838.64 is: 471,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,325.11 : 867,079.11 = 341,838.64 : x
  2. Step 2: Convert to fraction form
    628,325.11/867,079.11 = 341,838.64/x
  3. Step 3: Cross multiply
    628,325.11x = 867,079.11 × 341,838.64
  4. Step 4: Simplify right side
    628,325.11x = 296,401,143,734.81
  5. Step 5: Solve for x
    x = 296,401,143,734.81/628,325.11
  6. Step 6: Final answer
    x = 471,732.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.