Home / 874,285.96-1,311,431.28-243,199.84

Finding the Fourth Proportional to 874,285.96, 1,311,431.28 and 243,199.84

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Solution

The fourth proportional to 874,285.96, 1,311,431.28 and 243,199.84 is: 364,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,285.96 : 1,311,431.28 = 243,199.84 : x
  2. Step 2: Convert to fraction form
    874,285.96/1,311,431.28 = 243,199.84/x
  3. Step 3: Cross multiply
    874,285.96x = 1,311,431.28 × 243,199.84
  4. Step 4: Simplify right side
    874,285.96x = 318,939,877,467.00
  5. Step 5: Solve for x
    x = 318,939,877,467.00/874,285.96
  6. Step 6: Final answer
    x = 364,800.41

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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.