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Finding the Fourth Proportional to 635,089.02, 876,368.07 and 348,608.22

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Solution

The fourth proportional to 635,089.02, 876,368.07 and 348,608.22 is: 481,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,089.02 : 876,368.07 = 348,608.22 : x
  2. Step 2: Convert to fraction form
    635,089.02/876,368.07 = 348,608.22/x
  3. Step 3: Cross multiply
    635,089.02x = 876,368.07 × 348,608.22
  4. Step 4: Simplify right side
    635,089.02x = 305,509,112,947.54
  5. Step 5: Solve for x
    x = 305,509,112,947.54/635,089.02
  6. Step 6: Final answer
    x = 481,049.28

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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.