Home / 881,347.80-1,322,216.10-282,336.60

Finding the Fourth Proportional to 881,347.80, 1,322,216.10 and 282,336.60

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Solution

The fourth proportional to 881,347.80, 1,322,216.10 and 282,336.60 is: 423,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,347.80 : 1,322,216.10 = 282,336.60 : x
  2. Step 2: Convert to fraction form
    881,347.80/1,322,216.10 = 282,336.60/x
  3. Step 3: Cross multiply
    881,347.80x = 1,322,216.10 × 282,336.60
  4. Step 4: Simplify right side
    881,347.80x = 373,309,998,139.26
  5. Step 5: Solve for x
    x = 373,309,998,139.26/881,347.80
  6. Step 6: Final answer
    x = 423,567.18

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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.