Home / 572,692.20-858,779.10-256,986.60

Finding the Fourth Proportional to 572,692.20, 858,779.10 and 256,986.60

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Solution

The fourth proportional to 572,692.20, 858,779.10 and 256,986.60 is: 385,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,692.20 : 858,779.10 = 256,986.60 : x
  2. Step 2: Convert to fraction form
    572,692.20/858,779.10 = 256,986.60/x
  3. Step 3: Cross multiply
    572,692.20x = 858,779.10 × 256,986.60
  4. Step 4: Simplify right side
    572,692.20x = 220,694,721,060.06
  5. Step 5: Solve for x
    x = 220,694,721,060.06/572,692.20
  6. Step 6: Final answer
    x = 385,363.59

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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.