Home / 766,196.34-1,057,374.99-422,057.22

Finding the Fourth Proportional to 766,196.34, 1,057,374.99 and 422,057.22

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Solution

The fourth proportional to 766,196.34, 1,057,374.99 and 422,057.22 is: 582,452.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,196.34 : 1,057,374.99 = 422,057.22 : x
  2. Step 2: Convert to fraction form
    766,196.34/1,057,374.99 = 422,057.22/x
  3. Step 3: Cross multiply
    766,196.34x = 1,057,374.99 × 422,057.22
  4. Step 4: Simplify right side
    766,196.34x = 446,272,748,776.93
  5. Step 5: Solve for x
    x = 446,272,748,776.93/766,196.34
  6. Step 6: Final answer
    x = 582,452.21

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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.