Home / 922,022.20-1,383,033.30-290,999.80

Finding the Fourth Proportional to 922,022.20, 1,383,033.30 and 290,999.80

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Solution

The fourth proportional to 922,022.20, 1,383,033.30 and 290,999.80 is: 436,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,022.20 : 1,383,033.30 = 290,999.80 : x
  2. Step 2: Convert to fraction form
    922,022.20/1,383,033.30 = 290,999.80/x
  3. Step 3: Cross multiply
    922,022.20x = 1,383,033.30 × 290,999.80
  4. Step 4: Simplify right side
    922,022.20x = 402,462,413,693.34
  5. Step 5: Solve for x
    x = 402,462,413,693.34/922,022.20
  6. Step 6: Final answer
    x = 436,499.70

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Similar ratio
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1.5x scale

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.