Home / 985,346.60-1,477,674.30-511,874.60

Finding the Fourth Proportional to 985,346.60, 1,477,674.30 and 511,874.60

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Solution

The fourth proportional to 985,346.60, 1,477,674.30 and 511,874.60 is: 767,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,346.60 : 1,477,674.30 = 511,874.60 : x
  2. Step 2: Convert to fraction form
    985,346.60/1,477,674.30 = 511,874.60/x
  3. Step 3: Cross multiply
    985,346.60x = 1,477,674.30 × 511,874.60
  4. Step 4: Simplify right side
    985,346.60x = 756,383,941,242.78
  5. Step 5: Solve for x
    x = 756,383,941,242.78/985,346.60
  6. Step 6: Final answer
    x = 767,632.37

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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.