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Finding the Fourth Proportional to 612,278.54, 845,012.73 and 370,694.24

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Solution

The fourth proportional to 612,278.54, 845,012.73 and 370,694.24 is: 511,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,278.54 : 845,012.73 = 370,694.24 : x
  2. Step 2: Convert to fraction form
    612,278.54/845,012.73 = 370,694.24/x
  3. Step 3: Cross multiply
    612,278.54x = 845,012.73 × 370,694.24
  4. Step 4: Simplify right side
    612,278.54x = 313,241,345,659.14
  5. Step 5: Solve for x
    x = 313,241,345,659.14/612,278.54
  6. Step 6: Final answer
    x = 511,599.42

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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.