Home / 766,063.08-1,057,174.38-426,538.62

Finding the Fourth Proportional to 766,063.08, 1,057,174.38 and 426,538.62

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Solution

The fourth proportional to 766,063.08, 1,057,174.38 and 426,538.62 is: 588,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,063.08 : 1,057,174.38 = 426,538.62 : x
  2. Step 2: Convert to fraction form
    766,063.08/1,057,174.38 = 426,538.62/x
  3. Step 3: Cross multiply
    766,063.08x = 1,057,174.38 × 426,538.62
  4. Step 4: Simplify right side
    766,063.08x = 450,925,701,144.56
  5. Step 5: Solve for x
    x = 450,925,701,144.56/766,063.08
  6. Step 6: Final answer
    x = 588,627.38

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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.