Home / 988,217.90-1,482,311.25-314,289.46

Finding the Fourth Proportional to 988,217.90, 1,482,311.25 and 314,289.46

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Solution

The fourth proportional to 988,217.90, 1,482,311.25 and 314,289.46 is: 471,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,217.90 : 1,482,311.25 = 314,289.46 : x
  2. Step 2: Convert to fraction form
    988,217.90/1,482,311.25 = 314,289.46/x
  3. Step 3: Cross multiply
    988,217.90x = 1,482,311.25 × 314,289.46
  4. Step 4: Simplify right side
    988,217.90x = 465,874,798,608.65
  5. Step 5: Solve for x
    x = 465,874,798,608.65/988,217.90
  6. Step 6: Final answer
    x = 471,429.23

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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.