Finding the Fourth Proportional to 925,237.20, 1,276,768.26 and 517,372.68
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Solution
The fourth proportional to 925,237.20, 1,276,768.26 and 517,372.68 is: 713,941.26
Step by Step Solution
- Step 1: Write the proportion equation
925,237.20 : 1,276,768.26 = 517,372.68 : x - Step 2: Convert to fraction form
925,237.20/1,276,768.26 = 517,372.68/x - Step 3: Cross multiply
925,237.20x = 1,276,768.26 × 517,372.68 - Step 4: Simplify right side
925,237.20x = 660,565,016,415.14 - Step 5: Solve for x
x = 660,565,016,415.14/925,237.20 - Step 6: Final answer
x = 713,941.26
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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.