Home / 947,011.81-1,420,727.57-273,040.51

Finding the Fourth Proportional to 947,011.81, 1,420,727.57 and 273,040.51

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Solution

The fourth proportional to 947,011.81, 1,420,727.57 and 273,040.51 is: 409,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,011.81 : 1,420,727.57 = 273,040.51 : x
  2. Step 2: Convert to fraction form
    947,011.81/1,420,727.57 = 273,040.51/x
  3. Step 3: Cross multiply
    947,011.81x = 1,420,727.57 × 273,040.51
  4. Step 4: Simplify right side
    947,011.81x = 387,916,171,815.02
  5. Step 5: Solve for x
    x = 387,916,171,815.02/947,011.81
  6. Step 6: Final answer
    x = 409,621.26

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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.