Home / 960,784.47-1,440,687.06-320,858.01

Finding the Fourth Proportional to 960,784.47, 1,440,687.06 and 320,858.01

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Solution

The fourth proportional to 960,784.47, 1,440,687.06 and 320,858.01 is: 481,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,784.47 : 1,440,687.06 = 320,858.01 : x
  2. Step 2: Convert to fraction form
    960,784.47/1,440,687.06 = 320,858.01/x
  3. Step 3: Cross multiply
    960,784.47x = 1,440,687.06 × 320,858.01
  4. Step 4: Simplify right side
    960,784.47x = 462,255,983,104.35
  5. Step 5: Solve for x
    x = 462,255,983,104.35/960,784.47
  6. Step 6: Final answer
    x = 481,123.50

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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.