Home / 960,785.47-1,440,688.56-320,859.01

Finding the Fourth Proportional to 960,785.47, 1,440,688.56 and 320,859.01

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Solution

The fourth proportional to 960,785.47, 1,440,688.56 and 320,859.01 is: 481,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,785.47 : 1,440,688.56 = 320,859.01 : x
  2. Step 2: Convert to fraction form
    960,785.47/1,440,688.56 = 320,859.01/x
  3. Step 3: Cross multiply
    960,785.47x = 1,440,688.56 × 320,859.01
  4. Step 4: Simplify right side
    960,785.47x = 462,257,905,079.93
  5. Step 5: Solve for x
    x = 462,257,905,079.93/960,785.47
  6. Step 6: Final answer
    x = 481,125.00

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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.