Home / 908,872.61-1,363,343.55-340,193.84

Finding the Fourth Proportional to 908,872.61, 1,363,343.55 and 340,193.84

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Solution

The fourth proportional to 908,872.61, 1,363,343.55 and 340,193.84 is: 510,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,872.61 : 1,363,343.55 = 340,193.84 : x
  2. Step 2: Convert to fraction form
    908,872.61/1,363,343.55 = 340,193.84/x
  3. Step 3: Cross multiply
    908,872.61x = 1,363,343.55 × 340,193.84
  4. Step 4: Simplify right side
    908,872.61x = 463,801,080,922.09
  5. Step 5: Solve for x
    x = 463,801,080,922.09/908,872.61
  6. Step 6: Final answer
    x = 510,303.73

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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.