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Finding the Fourth Proportional to 612,670.72, 845,355.84 and 370,906.24

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Solution

The fourth proportional to 612,670.72, 845,355.84 and 370,906.24 is: 511,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,670.72 : 845,355.84 = 370,906.24 : x
  2. Step 2: Convert to fraction form
    612,670.72/845,355.84 = 370,906.24/x
  3. Step 3: Cross multiply
    612,670.72x = 845,355.84 × 370,906.24
  4. Step 4: Simplify right side
    612,670.72x = 313,547,756,076.44
  5. Step 5: Solve for x
    x = 313,547,756,076.44/612,670.72
  6. Step 6: Final answer
    x = 511,772.06

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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.