Home / 960,439.56-1,440,908.43-510,790.68

Finding the Fourth Proportional to 960,439.56, 1,440,908.43 and 510,790.68

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Solution

The fourth proportional to 960,439.56, 1,440,908.43 and 510,790.68 is: 766,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,439.56 : 1,440,908.43 = 510,790.68 : x
  2. Step 2: Convert to fraction form
    960,439.56/1,440,908.43 = 510,790.68/x
  3. Step 3: Cross multiply
    960,439.56x = 1,440,908.43 × 510,790.68
  4. Step 4: Simplify right side
    960,439.56x = 736,002,596,777.43
  5. Step 5: Solve for x
    x = 736,002,596,777.43/960,439.56
  6. Step 6: Final answer
    x = 766,318.49

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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.