Home / 757,823.98-1,045,770.91-451,742.55

Finding the Fourth Proportional to 757,823.98, 1,045,770.91 and 451,742.55

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Solution

The fourth proportional to 757,823.98, 1,045,770.91 and 451,742.55 is: 623,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,823.98 : 1,045,770.91 = 451,742.55 : x
  2. Step 2: Convert to fraction form
    757,823.98/1,045,770.91 = 451,742.55/x
  3. Step 3: Cross multiply
    757,823.98x = 1,045,770.91 × 451,742.55
  4. Step 4: Simplify right side
    757,823.98x = 472,419,217,599.22
  5. Step 5: Solve for x
    x = 472,419,217,599.22/757,823.98
  6. Step 6: Final answer
    x = 623,389.11

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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.