Home / 960,786.47-1,440,690.06-320,860.01

Finding the Fourth Proportional to 960,786.47, 1,440,690.06 and 320,860.01

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Solution

The fourth proportional to 960,786.47, 1,440,690.06 and 320,860.01 is: 481,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,786.47 : 1,440,690.06 = 320,860.01 : x
  2. Step 2: Convert to fraction form
    960,786.47/1,440,690.06 = 320,860.01/x
  3. Step 3: Cross multiply
    960,786.47x = 1,440,690.06 × 320,860.01
  4. Step 4: Simplify right side
    960,786.47x = 462,259,827,058.50
  5. Step 5: Solve for x
    x = 462,259,827,058.50/960,786.47
  6. Step 6: Final answer
    x = 481,126.50

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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.