Home / 791,349.13-1,092,060.26-428,782.80

Finding the Fourth Proportional to 791,349.13, 1,092,060.26 and 428,782.80

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Solution

The fourth proportional to 791,349.13, 1,092,060.26 and 428,782.80 is: 591,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,349.13 : 1,092,060.26 = 428,782.80 : x
  2. Step 2: Convert to fraction form
    791,349.13/1,092,060.26 = 428,782.80/x
  3. Step 3: Cross multiply
    791,349.13x = 1,092,060.26 × 428,782.80
  4. Step 4: Simplify right side
    791,349.13x = 468,256,653,467.94
  5. Step 5: Solve for x
    x = 468,256,653,467.94/791,349.13
  6. Step 6: Final answer
    x = 591,719.43

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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.