Home / 766,516.42-1,057,825.36-426,984.82

Finding the Fourth Proportional to 766,516.42, 1,057,825.36 and 426,984.82

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Solution

The fourth proportional to 766,516.42, 1,057,825.36 and 426,984.82 is: 589,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,516.42 : 1,057,825.36 = 426,984.82 : x
  2. Step 2: Convert to fraction form
    766,516.42/1,057,825.36 = 426,984.82/x
  3. Step 3: Cross multiply
    766,516.42x = 1,057,825.36 × 426,984.82
  4. Step 4: Simplify right side
    766,516.42x = 451,675,370,931.04
  5. Step 5: Solve for x
    x = 451,675,370,931.04/766,516.42
  6. Step 6: Final answer
    x = 589,257.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.