Home / 810,581.52-1,118,567.70-447,986.64

Finding the Fourth Proportional to 810,581.52, 1,118,567.70 and 447,986.64

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Solution

The fourth proportional to 810,581.52, 1,118,567.70 and 447,986.64 is: 618,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,581.52 : 1,118,567.70 = 447,986.64 : x
  2. Step 2: Convert to fraction form
    810,581.52/1,118,567.70 = 447,986.64/x
  3. Step 3: Cross multiply
    810,581.52x = 1,118,567.70 × 447,986.64
  4. Step 4: Simplify right side
    810,581.52x = 501,103,385,535.53
  5. Step 5: Solve for x
    x = 501,103,385,535.53/810,581.52
  6. Step 6: Final answer
    x = 618,202.33

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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.