Home / 839,702.60-1,158,787.82-472,181.00

Finding the Fourth Proportional to 839,702.60, 1,158,787.82 and 472,181.00

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Solution

The fourth proportional to 839,702.60, 1,158,787.82 and 472,181.00 is: 651,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,702.60 : 1,158,787.82 = 472,181.00 : x
  2. Step 2: Convert to fraction form
    839,702.60/1,158,787.82 = 472,181.00/x
  3. Step 3: Cross multiply
    839,702.60x = 1,158,787.82 × 472,181.00
  4. Step 4: Simplify right side
    839,702.60x = 547,157,587,021.93
  5. Step 5: Solve for x
    x = 547,157,587,021.93/839,702.60
  6. Step 6: Final answer
    x = 651,608.78

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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.