Home / 720,054.05-1,080,077.16-293,588.21

Finding the Fourth Proportional to 720,054.05, 1,080,077.16 and 293,588.21

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Solution

The fourth proportional to 720,054.05, 1,080,077.16 and 293,588.21 is: 440,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,054.05 : 1,080,077.16 = 293,588.21 : x
  2. Step 2: Convert to fraction form
    720,054.05/1,080,077.16 = 293,588.21/x
  3. Step 3: Cross multiply
    720,054.05x = 1,080,077.16 × 293,588.21
  4. Step 4: Simplify right side
    720,054.05x = 317,097,914,665.90
  5. Step 5: Solve for x
    x = 317,097,914,665.90/720,054.05
  6. Step 6: Final answer
    x = 440,380.71

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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.