Home / 526,619.80-789,929.70-446,903.65

Finding the Fourth Proportional to 526,619.80, 789,929.70 and 446,903.65

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Solution

The fourth proportional to 526,619.80, 789,929.70 and 446,903.65 is: 670,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,619.80 : 789,929.70 = 446,903.65 : x
  2. Step 2: Convert to fraction form
    526,619.80/789,929.70 = 446,903.65/x
  3. Step 3: Cross multiply
    526,619.80x = 789,929.70 × 446,903.65
  4. Step 4: Simplify right side
    526,619.80x = 353,022,466,173.41
  5. Step 5: Solve for x
    x = 353,022,466,173.41/526,619.80
  6. Step 6: Final answer
    x = 670,355.48

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1.5x scale

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.