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Finding the Fourth Proportional to 702,391.11, 969,291.81 and 380,095.35

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Solution

The fourth proportional to 702,391.11, 969,291.81 and 380,095.35 is: 524,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,391.11 : 969,291.81 = 380,095.35 : x
  2. Step 2: Convert to fraction form
    702,391.11/969,291.81 = 380,095.35/x
  3. Step 3: Cross multiply
    702,391.11x = 969,291.81 × 380,095.35
  4. Step 4: Simplify right side
    702,391.11x = 368,423,309,774.08
  5. Step 5: Solve for x
    x = 368,423,309,774.08/702,391.11
  6. Step 6: Final answer
    x = 524,527.30

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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.