Home / 709,964.40-1,062,452.96-611,316.12

Finding the Fourth Proportional to 709,964.40, 1,062,452.96 and 611,316.12

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Solution

The fourth proportional to 709,964.40, 1,062,452.96 and 611,316.12 is: 914,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,964.40 : 1,062,452.96 = 611,316.12 : x
  2. Step 2: Convert to fraction form
    709,964.40/1,062,452.96 = 611,316.12/x
  3. Step 3: Cross multiply
    709,964.40x = 1,062,452.96 × 611,316.12
  4. Step 4: Simplify right side
    709,964.40x = 649,494,621,189.72
  5. Step 5: Solve for x
    x = 649,494,621,189.72/709,964.40
  6. Step 6: Final answer
    x = 914,827.03

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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.