Home / 733,742.88-1,099,666.74-328,639.02

Finding the Fourth Proportional to 733,742.88, 1,099,666.74 and 328,639.02

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Solution

The fourth proportional to 733,742.88, 1,099,666.74 and 328,639.02 is: 492,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,742.88 : 1,099,666.74 = 328,639.02 : x
  2. Step 2: Convert to fraction form
    733,742.88/1,099,666.74 = 328,639.02/x
  3. Step 3: Cross multiply
    733,742.88x = 1,099,666.74 × 328,639.02
  4. Step 4: Simplify right side
    733,742.88x = 361,393,399,760.20
  5. Step 5: Solve for x
    x = 361,393,399,760.20/733,742.88
  6. Step 6: Final answer
    x = 492,534.11

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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.