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Finding the Fourth Proportional to 702,097.78, 968,892.02 and 379,807.08

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Solution

The fourth proportional to 702,097.78, 968,892.02 and 379,807.08 is: 524,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,097.78 : 968,892.02 = 379,807.08 : x
  2. Step 2: Convert to fraction form
    702,097.78/968,892.02 = 379,807.08/x
  3. Step 3: Cross multiply
    702,097.78x = 968,892.02 × 379,807.08
  4. Step 4: Simplify right side
    702,097.78x = 367,992,048,951.50
  5. Step 5: Solve for x
    x = 367,992,048,951.50/702,097.78
  6. Step 6: Final answer
    x = 524,132.19

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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.