Finding the Fourth Proportional to 576,397.80, 795,395.97 and 321,765.12
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Solution
The fourth proportional to 576,397.80, 795,395.97 and 321,765.12 is: 444,017.45
Step by Step Solution
- Step 1: Write the proportion equation
576,397.80 : 795,395.97 = 321,765.12 : x - Step 2: Convert to fraction form
576,397.80/795,395.97 = 321,765.12/x - Step 3: Cross multiply
576,397.80x = 795,395.97 × 321,765.12 - Step 4: Simplify right side
576,397.80x = 255,930,679,734.57 - Step 5: Solve for x
x = 255,930,679,734.57/576,397.80 - Step 6: Final answer
x = 444,017.45
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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.