Home / 525,942.60-789,432.30-260,003.40

Finding the Fourth Proportional to 525,942.60, 789,432.30 and 260,003.40

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Solution

The fourth proportional to 525,942.60, 789,432.30 and 260,003.40 is: 390,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,942.60 : 789,432.30 = 260,003.40 : x
  2. Step 2: Convert to fraction form
    525,942.60/789,432.30 = 260,003.40/x
  3. Step 3: Cross multiply
    525,942.60x = 789,432.30 × 260,003.40
  4. Step 4: Simplify right side
    525,942.60x = 205,255,082,069.82
  5. Step 5: Solve for x
    x = 205,255,082,069.82/525,942.60
  6. Step 6: Final answer
    x = 390,261.37

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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.