Home / 921,933.72-1,383,103.70-282,242.29

Finding the Fourth Proportional to 921,933.72, 1,383,103.70 and 282,242.29

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Solution

The fourth proportional to 921,933.72, 1,383,103.70 and 282,242.29 is: 423,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,933.72 : 1,383,103.70 = 282,242.29 : x
  2. Step 2: Convert to fraction form
    921,933.72/1,383,103.70 = 282,242.29/x
  3. Step 3: Cross multiply
    921,933.72x = 1,383,103.70 × 282,242.29
  4. Step 4: Simplify right side
    921,933.72x = 390,370,355,595.47
  5. Step 5: Solve for x
    x = 390,370,355,595.47/921,933.72
  6. Step 6: Final answer
    x = 423,425.62

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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.