Home / 1,339,458.75-2,009,158.97-328,585.50

Finding the Fourth Proportional to 1,339,458.75, 2,009,158.97 and 328,585.50

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Solution

The fourth proportional to 1,339,458.75, 2,009,158.97 and 328,585.50 is: 492,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,458.75 : 2,009,158.97 = 328,585.50 : x
  2. Step 2: Convert to fraction form
    1,339,458.75/2,009,158.97 = 328,585.50/x
  3. Step 3: Cross multiply
    1,339,458.75x = 2,009,158.97 × 328,585.50
  4. Step 4: Simplify right side
    1,339,458.75x = 660,180,503,094.01
  5. Step 5: Solve for x
    x = 660,180,503,094.01/1,339,458.75
  6. Step 6: Final answer
    x = 492,871.10

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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.