Home / 838,422.24-1,157,022.36-456,448.92

Finding the Fourth Proportional to 838,422.24, 1,157,022.36 and 456,448.92

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Solution

The fourth proportional to 838,422.24, 1,157,022.36 and 456,448.92 is: 629,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,422.24 : 1,157,022.36 = 456,448.92 : x
  2. Step 2: Convert to fraction form
    838,422.24/1,157,022.36 = 456,448.92/x
  3. Step 3: Cross multiply
    838,422.24x = 1,157,022.36 × 456,448.92
  4. Step 4: Simplify right side
    838,422.24x = 528,121,606,637.85
  5. Step 5: Solve for x
    x = 528,121,606,637.85/838,422.24
  6. Step 6: Final answer
    x = 629,899.33

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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.