Home / 671,698.10-1,007,777.55-297,989.30

Finding the Fourth Proportional to 671,698.10, 1,007,777.55 and 297,989.30

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Solution

The fourth proportional to 671,698.10, 1,007,777.55 and 297,989.30 is: 447,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,698.10 : 1,007,777.55 = 297,989.30 : x
  2. Step 2: Convert to fraction form
    671,698.10/1,007,777.55 = 297,989.30/x
  3. Step 3: Cross multiply
    671,698.10x = 1,007,777.55 × 297,989.30
  4. Step 4: Simplify right side
    671,698.10x = 300,306,926,680.22
  5. Step 5: Solve for x
    x = 300,306,926,680.22/671,698.10
  6. Step 6: Final answer
    x = 447,086.16

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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.