Home / 789,036.20-1,182,971.10-434,450.60

Finding the Fourth Proportional to 789,036.20, 1,182,971.10 and 434,450.60

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Solution

The fourth proportional to 789,036.20, 1,182,971.10 and 434,450.60 is: 651,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,036.20 : 1,182,971.10 = 434,450.60 : x
  2. Step 2: Convert to fraction form
    789,036.20/1,182,971.10 = 434,450.60/x
  3. Step 3: Cross multiply
    789,036.20x = 1,182,971.10 × 434,450.60
  4. Step 4: Simplify right side
    789,036.20x = 513,942,504,177.66
  5. Step 5: Solve for x
    x = 513,942,504,177.66/789,036.20
  6. Step 6: Final answer
    x = 651,354.78

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Double scale
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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.