Home / 842,091.56-1,162,086.60-454,907.08

Finding the Fourth Proportional to 842,091.56, 1,162,086.60 and 454,907.08

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Solution

The fourth proportional to 842,091.56, 1,162,086.60 and 454,907.08 is: 627,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,091.56 : 1,162,086.60 = 454,907.08 : x
  2. Step 2: Convert to fraction form
    842,091.56/1,162,086.60 = 454,907.08/x
  3. Step 3: Cross multiply
    842,091.56x = 1,162,086.60 × 454,907.08
  4. Step 4: Simplify right side
    842,091.56x = 528,641,421,913.13
  5. Step 5: Solve for x
    x = 528,641,421,913.13/842,091.56
  6. Step 6: Final answer
    x = 627,771.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.