Home / 842,314.82-1,263,602.89-355,999.02

Finding the Fourth Proportional to 842,314.82, 1,263,602.89 and 355,999.02

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Solution

The fourth proportional to 842,314.82, 1,263,602.89 and 355,999.02 is: 534,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,314.82 : 1,263,602.89 = 355,999.02 : x
  2. Step 2: Convert to fraction form
    842,314.82/1,263,602.89 = 355,999.02/x
  3. Step 3: Cross multiply
    842,314.82x = 1,263,602.89 × 355,999.02
  4. Step 4: Simplify right side
    842,314.82x = 449,841,394,874.81
  5. Step 5: Solve for x
    x = 449,841,394,874.81/842,314.82
  6. Step 6: Final answer
    x = 534,053.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.