Home / 922,079.68-1,383,070.56-282,383.20

Finding the Fourth Proportional to 922,079.68, 1,383,070.56 and 282,383.20

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Solution

The fourth proportional to 922,079.68, 1,383,070.56 and 282,383.20 is: 423,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,079.68 : 1,383,070.56 = 282,383.20 : x
  2. Step 2: Convert to fraction form
    922,079.68/1,383,070.56 = 282,383.20/x
  3. Step 3: Cross multiply
    922,079.68x = 1,383,070.56 × 282,383.20
  4. Step 4: Simplify right side
    922,079.68x = 390,555,890,558.59
  5. Step 5: Solve for x
    x = 390,555,890,558.59/922,079.68
  6. Step 6: Final answer
    x = 423,559.81

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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.