Home / 742,629.93-1,113,987.60-210,106.32

Finding the Fourth Proportional to 742,629.93, 1,113,987.60 and 210,106.32

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Solution

The fourth proportional to 742,629.93, 1,113,987.60 and 210,106.32 is: 315,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,629.93 : 1,113,987.60 = 210,106.32 : x
  2. Step 2: Convert to fraction form
    742,629.93/1,113,987.60 = 210,106.32/x
  3. Step 3: Cross multiply
    742,629.93x = 1,113,987.60 × 210,106.32
  4. Step 4: Simplify right side
    742,629.93x = 234,055,835,161.63
  5. Step 5: Solve for x
    x = 234,055,835,161.63/742,629.93
  6. Step 6: Final answer
    x = 315,171.56

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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.