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Finding the Fourth Proportional to 658,273.06, 908,411.56 and 356,467.06

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Solution

The fourth proportional to 658,273.06, 908,411.56 and 356,467.06 is: 491,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,273.06 : 908,411.56 = 356,467.06 : x
  2. Step 2: Convert to fraction form
    658,273.06/908,411.56 = 356,467.06/x
  3. Step 3: Cross multiply
    658,273.06x = 908,411.56 × 356,467.06
  4. Step 4: Simplify right side
    658,273.06x = 323,818,798,063.21
  5. Step 5: Solve for x
    x = 323,818,798,063.21/658,273.06
  6. Step 6: Final answer
    x = 491,921.69

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1.5x scale

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.