Home / 869,631.56-1,304,457.37-262,425.13

Finding the Fourth Proportional to 869,631.56, 1,304,457.37 and 262,425.13

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Solution

The fourth proportional to 869,631.56, 1,304,457.37 and 262,425.13 is: 393,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,631.56 : 1,304,457.37 = 262,425.13 : x
  2. Step 2: Convert to fraction form
    869,631.56/1,304,457.37 = 262,425.13/x
  3. Step 3: Cross multiply
    869,631.56x = 1,304,457.37 × 262,425.13
  4. Step 4: Simplify right side
    869,631.56x = 342,322,388,379.42
  5. Step 5: Solve for x
    x = 342,322,388,379.42/869,631.56
  6. Step 6: Final answer
    x = 393,640.72

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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.