Home / 540,284.24-745,589.40-298,583.60

Finding the Fourth Proportional to 540,284.24, 745,589.40 and 298,583.60

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Solution

The fourth proportional to 540,284.24, 745,589.40 and 298,583.60 is: 412,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,284.24 : 745,589.40 = 298,583.60 : x
  2. Step 2: Convert to fraction form
    540,284.24/745,589.40 = 298,583.60/x
  3. Step 3: Cross multiply
    540,284.24x = 745,589.40 × 298,583.60
  4. Step 4: Simplify right side
    540,284.24x = 222,620,767,173.84
  5. Step 5: Solve for x
    x = 222,620,767,173.84/540,284.24
  6. Step 6: Final answer
    x = 412,043.79

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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.