Home / 835,400.22-1,152,837.84-453,418.80

Finding the Fourth Proportional to 835,400.22, 1,152,837.84 and 453,418.80

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Solution

The fourth proportional to 835,400.22, 1,152,837.84 and 453,418.80 is: 625,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,400.22 : 1,152,837.84 = 453,418.80 : x
  2. Step 2: Convert to fraction form
    835,400.22/1,152,837.84 = 453,418.80/x
  3. Step 3: Cross multiply
    835,400.22x = 1,152,837.84 × 453,418.80
  4. Step 4: Simplify right side
    835,400.22x = 522,718,350,007.39
  5. Step 5: Solve for x
    x = 522,718,350,007.39/835,400.22
  6. Step 6: Final answer
    x = 625,710.09

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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.