Home / 764,258.33-1,146,413.01-343,535.42

Finding the Fourth Proportional to 764,258.33, 1,146,413.01 and 343,535.42

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Solution

The fourth proportional to 764,258.33, 1,146,413.01 and 343,535.42 is: 515,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,258.33 : 1,146,413.01 = 343,535.42 : x
  2. Step 2: Convert to fraction form
    764,258.33/1,146,413.01 = 343,535.42/x
  3. Step 3: Cross multiply
    764,258.33x = 1,146,413.01 × 343,535.42
  4. Step 4: Simplify right side
    764,258.33x = 393,833,474,883.81
  5. Step 5: Solve for x
    x = 393,833,474,883.81/764,258.33
  6. Step 6: Final answer
    x = 515,314.60

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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.