Home / 886,692.90-1,330,226.25-287,607.45

Finding the Fourth Proportional to 886,692.90, 1,330,226.25 and 287,607.45

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Solution

The fourth proportional to 886,692.90, 1,330,226.25 and 287,607.45 is: 431,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,692.90 : 1,330,226.25 = 287,607.45 : x
  2. Step 2: Convert to fraction form
    886,692.90/1,330,226.25 = 287,607.45/x
  3. Step 3: Cross multiply
    886,692.90x = 1,330,226.25 × 287,607.45
  4. Step 4: Simplify right side
    886,692.90x = 382,582,979,685.56
  5. Step 5: Solve for x
    x = 382,582,979,685.56/886,692.90
  6. Step 6: Final answer
    x = 431,471.80

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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.