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Finding the Fourth Proportional to 909,080, 1,363,816.83 and 348,114.50

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Solution

The fourth proportional to 909,080, 1,363,816.83 and 348,114.50 is: 522,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,080 : 1,363,816.83 = 348,114.50 : x
  2. Step 2: Convert to fraction form
    909,080/1,363,816.83 = 348,114.50/x
  3. Step 3: Cross multiply
    909,080x = 1,363,816.83 × 348,114.50
  4. Step 4: Simplify right side
    909,080x = 474,764,413,867.04
  5. Step 5: Solve for x
    x = 474,764,413,867.04/909,080
  6. Step 6: Final answer
    x = 522,247.12

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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.