Home / 921,982.14-1,382,923.40-353,635.52

Finding the Fourth Proportional to 921,982.14, 1,382,923.40 and 353,635.52

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Solution

The fourth proportional to 921,982.14, 1,382,923.40 and 353,635.52 is: 530,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,982.14 : 1,382,923.40 = 353,635.52 : x
  2. Step 2: Convert to fraction form
    921,982.14/1,382,923.40 = 353,635.52/x
  3. Step 3: Cross multiply
    921,982.14x = 1,382,923.40 × 353,635.52
  4. Step 4: Simplify right side
    921,982.14x = 489,050,826,996.37
  5. Step 5: Solve for x
    x = 489,050,826,996.37/921,982.14
  6. Step 6: Final answer
    x = 530,434.17

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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.