Home / 923,078.40-1,384,617.60-425,414.40

Finding the Fourth Proportional to 923,078.40, 1,384,617.60 and 425,414.40

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Solution

The fourth proportional to 923,078.40, 1,384,617.60 and 425,414.40 is: 638,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,078.40 : 1,384,617.60 = 425,414.40 : x
  2. Step 2: Convert to fraction form
    923,078.40/1,384,617.60 = 425,414.40/x
  3. Step 3: Cross multiply
    923,078.40x = 1,384,617.60 × 425,414.40
  4. Step 4: Simplify right side
    923,078.40x = 589,036,265,533.44
  5. Step 5: Solve for x
    x = 589,036,265,533.44/923,078.40
  6. Step 6: Final answer
    x = 638,121.60

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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.