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Finding the Fourth Proportional to 702,289.08, 969,155.82 and 380,004.89

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Solution

The fourth proportional to 702,289.08, 969,155.82 and 380,004.89 is: 524,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,289.08 : 969,155.82 = 380,004.89 : x
  2. Step 2: Convert to fraction form
    702,289.08/969,155.82 = 380,004.89/x
  3. Step 3: Cross multiply
    702,289.08x = 969,155.82 × 380,004.89
  4. Step 4: Simplify right side
    702,289.08x = 368,283,945,926.18
  5. Step 5: Solve for x
    x = 368,283,945,926.18/702,289.08
  6. Step 6: Final answer
    x = 524,405.06

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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.