Home / 874,015.90-1,311,016.56-242,927.88

Finding the Fourth Proportional to 874,015.90, 1,311,016.56 and 242,927.88

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Solution

The fourth proportional to 874,015.90, 1,311,016.56 and 242,927.88 is: 364,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,015.90 : 1,311,016.56 = 242,927.88 : x
  2. Step 2: Convert to fraction form
    874,015.90/1,311,016.56 = 242,927.88/x
  3. Step 3: Cross multiply
    874,015.90x = 1,311,016.56 × 242,927.88
  4. Step 4: Simplify right side
    874,015.90x = 318,482,473,565.69
  5. Step 5: Solve for x
    x = 318,482,473,565.69/874,015.90
  6. Step 6: Final answer
    x = 364,389.79

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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.