Home / 665,846.39-999,515.90-266,765.35

Finding the Fourth Proportional to 665,846.39, 999,515.90 and 266,765.35

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Solution

The fourth proportional to 665,846.39, 999,515.90 and 266,765.35 is: 400,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,846.39 : 999,515.90 = 266,765.35 : x
  2. Step 2: Convert to fraction form
    665,846.39/999,515.90 = 266,765.35/x
  3. Step 3: Cross multiply
    665,846.39x = 999,515.90 × 266,765.35
  4. Step 4: Simplify right side
    665,846.39x = 266,636,207,062.19
  5. Step 5: Solve for x
    x = 266,636,207,062.19/665,846.39
  6. Step 6: Final answer
    x = 400,447.03

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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.