Home / 872,633.94-1,308,819.69-304,101.42

Finding the Fourth Proportional to 872,633.94, 1,308,819.69 and 304,101.42

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Solution

The fourth proportional to 872,633.94, 1,308,819.69 and 304,101.42 is: 456,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,633.94 : 1,308,819.69 = 304,101.42 : x
  2. Step 2: Convert to fraction form
    872,633.94/1,308,819.69 = 304,101.42/x
  3. Step 3: Cross multiply
    872,633.94x = 1,308,819.69 × 304,101.42
  4. Step 4: Simplify right side
    872,633.94x = 398,013,926,252.96
  5. Step 5: Solve for x
    x = 398,013,926,252.96/872,633.94
  6. Step 6: Final answer
    x = 456,106.40

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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.