Home / 776,009.80-1,164,189.84-236,314.36

Finding the Fourth Proportional to 776,009.80, 1,164,189.84 and 236,314.36

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Solution

The fourth proportional to 776,009.80, 1,164,189.84 and 236,314.36 is: 354,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,009.80 : 1,164,189.84 = 236,314.36 : x
  2. Step 2: Convert to fraction form
    776,009.80/1,164,189.84 = 236,314.36/x
  3. Step 3: Cross multiply
    776,009.80x = 1,164,189.84 × 236,314.36
  4. Step 4: Simplify right side
    776,009.80x = 275,114,776,958.10
  5. Step 5: Solve for x
    x = 275,114,776,958.10/776,009.80
  6. Step 6: Final answer
    x = 354,524.87

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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.