Home / 922,150.79-1,383,299.98-282,505.23

Finding the Fourth Proportional to 922,150.79, 1,383,299.98 and 282,505.23

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Solution

The fourth proportional to 922,150.79, 1,383,299.98 and 282,505.23 is: 423,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,150.79 : 1,383,299.98 = 282,505.23 : x
  2. Step 2: Convert to fraction form
    922,150.79/1,383,299.98 = 282,505.23/x
  3. Step 3: Cross multiply
    922,150.79x = 1,383,299.98 × 282,505.23
  4. Step 4: Simplify right side
    922,150.79x = 390,789,470,679.87
  5. Step 5: Solve for x
    x = 390,789,470,679.87/922,150.79
  6. Step 6: Final answer
    x = 423,780.45

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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.