Home / 742,321.87-1,113,473.08-181,361.23

Finding the Fourth Proportional to 742,321.87, 1,113,473.08 and 181,361.23

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Solution

The fourth proportional to 742,321.87, 1,113,473.08 and 181,361.23 is: 272,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,321.87 : 1,113,473.08 = 181,361.23 : x
  2. Step 2: Convert to fraction form
    742,321.87/1,113,473.08 = 181,361.23/x
  3. Step 3: Cross multiply
    742,321.87x = 1,113,473.08 × 181,361.23
  4. Step 4: Simplify right side
    742,321.87x = 201,940,844,803.71
  5. Step 5: Solve for x
    x = 201,940,844,803.71/742,321.87
  6. Step 6: Final answer
    x = 272,039.47

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Double scale
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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.