Home / 766,172.96-1,057,320.24-426,653.36

Finding the Fourth Proportional to 766,172.96, 1,057,320.24 and 426,653.36

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Solution

The fourth proportional to 766,172.96, 1,057,320.24 and 426,653.36 is: 588,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,172.96 : 1,057,320.24 = 426,653.36 : x
  2. Step 2: Convert to fraction form
    766,172.96/1,057,320.24 = 426,653.36/x
  3. Step 3: Cross multiply
    766,172.96x = 1,057,320.24 × 426,653.36
  4. Step 4: Simplify right side
    766,172.96x = 451,109,232,992.01
  5. Step 5: Solve for x
    x = 451,109,232,992.01/766,172.96
  6. Step 6: Final answer
    x = 588,782.50

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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.