Home / 740,975.08-1,022,546.60-401,443.32

Finding the Fourth Proportional to 740,975.08, 1,022,546.60 and 401,443.32

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Solution

The fourth proportional to 740,975.08, 1,022,546.60 and 401,443.32 is: 553,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,975.08 : 1,022,546.60 = 401,443.32 : x
  2. Step 2: Convert to fraction form
    740,975.08/1,022,546.60 = 401,443.32/x
  3. Step 3: Cross multiply
    740,975.08x = 1,022,546.60 × 401,443.32
  4. Step 4: Simplify right side
    740,975.08x = 410,494,501,958.71
  5. Step 5: Solve for x
    x = 410,494,501,958.71/740,975.08
  6. Step 6: Final answer
    x = 553,992.32

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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.