Home / 824,590.57-1,236,838.47-489,758.03

Finding the Fourth Proportional to 824,590.57, 1,236,838.47 and 489,758.03

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Solution

The fourth proportional to 824,590.57, 1,236,838.47 and 489,758.03 is: 734,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,590.57 : 1,236,838.47 = 489,758.03 : x
  2. Step 2: Convert to fraction form
    824,590.57/1,236,838.47 = 489,758.03/x
  3. Step 3: Cross multiply
    824,590.57x = 1,236,838.47 × 489,758.03
  4. Step 4: Simplify right side
    824,590.57x = 605,751,573,750.92
  5. Step 5: Solve for x
    x = 605,751,573,750.92/824,590.57
  6. Step 6: Final answer
    x = 734,608.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.