Home / 455,832.13-628,947.30-262,227.96

Finding the Fourth Proportional to 455,832.13, 628,947.30 and 262,227.96

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Solution

The fourth proportional to 455,832.13, 628,947.30 and 262,227.96 is: 361,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,832.13 : 628,947.30 = 262,227.96 : x
  2. Step 2: Convert to fraction form
    455,832.13/628,947.30 = 262,227.96/x
  3. Step 3: Cross multiply
    455,832.13x = 628,947.30 × 262,227.96
  4. Step 4: Simplify right side
    455,832.13x = 164,927,567,426.51
  5. Step 5: Solve for x
    x = 164,927,567,426.51/455,832.13
  6. Step 6: Final answer
    x = 361,816.46

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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.