Finding the Fourth Proportional to 652,989.96, 901,076.70 and 366,454.68
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Solution
The fourth proportional to 652,989.96, 901,076.70 and 366,454.68 is: 505,679.71
Step by Step Solution
- Step 1: Write the proportion equation
652,989.96 : 901,076.70 = 366,454.68 : x - Step 2: Convert to fraction form
652,989.96/901,076.70 = 366,454.68/x - Step 3: Cross multiply
652,989.96x = 901,076.70 × 366,454.68 - Step 4: Simplify right side
652,989.96x = 330,203,773,753.96 - Step 5: Solve for x
x = 330,203,773,753.96/652,989.96 - Step 6: Final answer
x = 505,679.71
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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.