Home / 987,498.09-1,481,298.37-313,632.14

Finding the Fourth Proportional to 987,498.09, 1,481,298.37 and 313,632.14

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Solution

The fourth proportional to 987,498.09, 1,481,298.37 and 313,632.14 is: 470,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,498.09 : 1,481,298.37 = 313,632.14 : x
  2. Step 2: Convert to fraction form
    987,498.09/1,481,298.37 = 313,632.14/x
  3. Step 3: Cross multiply
    987,498.09x = 1,481,298.37 × 313,632.14
  4. Step 4: Simplify right side
    987,498.09x = 464,582,769,571.04
  5. Step 5: Solve for x
    x = 464,582,769,571.04/987,498.09
  6. Step 6: Final answer
    x = 470,464.47

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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.