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Finding the Fourth Proportional to 922,437.03, 1,383,696.99 and 282,693.90

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Solution

The fourth proportional to 922,437.03, 1,383,696.99 and 282,693.90 is: 424,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,437.03 : 1,383,696.99 = 282,693.90 : x
  2. Step 2: Convert to fraction form
    922,437.03/1,383,696.99 = 282,693.90/x
  3. Step 3: Cross multiply
    922,437.03x = 1,383,696.99 × 282,693.90
  4. Step 4: Simplify right side
    922,437.03x = 391,162,698,521.36
  5. Step 5: Solve for x
    x = 391,162,698,521.36/922,437.03
  6. Step 6: Final answer
    x = 424,053.55

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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.