Home / 671,684.60-1,007,757.30-297,975.80

Finding the Fourth Proportional to 671,684.60, 1,007,757.30 and 297,975.80

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Solution

The fourth proportional to 671,684.60, 1,007,757.30 and 297,975.80 is: 447,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,684.60 : 1,007,757.30 = 297,975.80 : x
  2. Step 2: Convert to fraction form
    671,684.60/1,007,757.30 = 297,975.80/x
  3. Step 3: Cross multiply
    671,684.60x = 1,007,757.30 × 297,975.80
  4. Step 4: Simplify right side
    671,684.60x = 300,287,287,673.34
  5. Step 5: Solve for x
    x = 300,287,287,673.34/671,684.60
  6. Step 6: Final answer
    x = 447,065.91

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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.