Home / 810,577.80-1,118,655.27-447,993.86

Finding the Fourth Proportional to 810,577.80, 1,118,655.27 and 447,993.86

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Solution

The fourth proportional to 810,577.80, 1,118,655.27 and 447,993.86 is: 618,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,577.80 : 1,118,655.27 = 447,993.86 : x
  2. Step 2: Convert to fraction form
    810,577.80/1,118,655.27 = 447,993.86/x
  3. Step 3: Cross multiply
    810,577.80x = 1,118,655.27 × 447,993.86
  4. Step 4: Simplify right side
    810,577.80x = 501,150,686,823.37
  5. Step 5: Solve for x
    x = 501,150,686,823.37/810,577.80
  6. Step 6: Final answer
    x = 618,263.52

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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.