Home / 922,273.40-1,383,669.30-390,049.40

Finding the Fourth Proportional to 922,273.40, 1,383,669.30 and 390,049.40

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Solution

The fourth proportional to 922,273.40, 1,383,669.30 and 390,049.40 is: 585,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,273.40 : 1,383,669.30 = 390,049.40 : x
  2. Step 2: Convert to fraction form
    922,273.40/1,383,669.30 = 390,049.40/x
  3. Step 3: Cross multiply
    922,273.40x = 1,383,669.30 × 390,049.40
  4. Step 4: Simplify right side
    922,273.40x = 539,699,380,263.42
  5. Step 5: Solve for x
    x = 539,699,380,263.42/922,273.40
  6. Step 6: Final answer
    x = 585,183.72

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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.