Home / 727,102.96-1,003,399.88-404,804.76

Finding the Fourth Proportional to 727,102.96, 1,003,399.88 and 404,804.76

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Solution

The fourth proportional to 727,102.96, 1,003,399.88 and 404,804.76 is: 558,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,102.96 : 1,003,399.88 = 404,804.76 : x
  2. Step 2: Convert to fraction form
    727,102.96/1,003,399.88 = 404,804.76/x
  3. Step 3: Cross multiply
    727,102.96x = 1,003,399.88 × 404,804.76
  4. Step 4: Simplify right side
    727,102.96x = 406,181,047,607.43
  5. Step 5: Solve for x
    x = 406,181,047,607.43/727,102.96
  6. Step 6: Final answer
    x = 558,629.34

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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.