Home / 482,782.24-666,085.38-278,806.22

Finding the Fourth Proportional to 482,782.24, 666,085.38 and 278,806.22

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Solution

The fourth proportional to 482,782.24, 666,085.38 and 278,806.22 is: 384,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,782.24 : 666,085.38 = 278,806.22 : x
  2. Step 2: Convert to fraction form
    482,782.24/666,085.38 = 278,806.22/x
  3. Step 3: Cross multiply
    482,782.24x = 666,085.38 × 278,806.22
  4. Step 4: Simplify right side
    482,782.24x = 185,708,745,116.93
  5. Step 5: Solve for x
    x = 185,708,745,116.93/482,782.24
  6. Step 6: Final answer
    x = 384,663.58

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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.