Home / 476,085.55-656,976.07-261,220.27

Finding the Fourth Proportional to 476,085.55, 656,976.07 and 261,220.27

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Solution

The fourth proportional to 476,085.55, 656,976.07 and 261,220.27 is: 360,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,085.55 : 656,976.07 = 261,220.27 : x
  2. Step 2: Convert to fraction form
    476,085.55/656,976.07 = 261,220.27/x
  3. Step 3: Cross multiply
    476,085.55x = 656,976.07 × 261,220.27
  4. Step 4: Simplify right side
    476,085.55x = 171,615,466,388.94
  5. Step 5: Solve for x
    x = 171,615,466,388.94/476,085.55
  6. Step 6: Final answer
    x = 360,471.91

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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.