Home / 712,232.50-982,878.24-406,308.38

Finding the Fourth Proportional to 712,232.50, 982,878.24 and 406,308.38

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Solution

The fourth proportional to 712,232.50, 982,878.24 and 406,308.38 is: 560,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,232.50 : 982,878.24 = 406,308.38 : x
  2. Step 2: Convert to fraction form
    712,232.50/982,878.24 = 406,308.38/x
  3. Step 3: Cross multiply
    712,232.50x = 982,878.24 × 406,308.38
  4. Step 4: Simplify right side
    712,232.50x = 399,351,665,431.65
  5. Step 5: Solve for x
    x = 399,351,665,431.65/712,232.50
  6. Step 6: Final answer
    x = 560,704.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.