Home / 960,901.38-1,440,865.46-320,976.98

Finding the Fourth Proportional to 960,901.38, 1,440,865.46 and 320,976.98

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Solution

The fourth proportional to 960,901.38, 1,440,865.46 and 320,976.98 is: 481,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,901.38 : 1,440,865.46 = 320,976.98 : x
  2. Step 2: Convert to fraction form
    960,901.38/1,440,865.46 = 320,976.98/x
  3. Step 3: Cross multiply
    960,901.38x = 1,440,865.46 × 320,976.98
  4. Step 4: Simplify right side
    960,901.38x = 462,484,642,938.47
  5. Step 5: Solve for x
    x = 462,484,642,938.47/960,901.38
  6. Step 6: Final answer
    x = 481,302.92

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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.