Home / 811,054.88-1,118,806.80-471,485.60

Finding the Fourth Proportional to 811,054.88, 1,118,806.80 and 471,485.60

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Solution

The fourth proportional to 811,054.88, 1,118,806.80 and 471,485.60 is: 650,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,054.88 : 1,118,806.80 = 471,485.60 : x
  2. Step 2: Convert to fraction form
    811,054.88/1,118,806.80 = 471,485.60/x
  3. Step 3: Cross multiply
    811,054.88x = 1,118,806.80 × 471,485.60
  4. Step 4: Simplify right side
    811,054.88x = 527,501,295,382.08
  5. Step 5: Solve for x
    x = 527,501,295,382.08/811,054.88
  6. Step 6: Final answer
    x = 650,389.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.