Home / 842,725-1,162,981.56-511,584.85

Finding the Fourth Proportional to 842,725, 1,162,981.56 and 511,584.85

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Solution

The fourth proportional to 842,725, 1,162,981.56 and 511,584.85 is: 705,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,725 : 1,162,981.56 = 511,584.85 : x
  2. Step 2: Convert to fraction form
    842,725/1,162,981.56 = 511,584.85/x
  3. Step 3: Cross multiply
    842,725x = 1,162,981.56 × 511,584.85
  4. Step 4: Simplify right side
    842,725x = 594,963,746,925.37
  5. Step 5: Solve for x
    x = 594,963,746,925.37/842,725
  6. Step 6: Final answer
    x = 705,999.88

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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.