Finding the Fourth Proportional to 767,537.60, 1,059,202.96 and 423,365.84
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Solution
The fourth proportional to 767,537.60, 1,059,202.96 and 423,365.84 is: 584,245.45
Step by Step Solution
- Step 1: Write the proportion equation
767,537.60 : 1,059,202.96 = 423,365.84 : x - Step 2: Convert to fraction form
767,537.60/1,059,202.96 = 423,365.84/x - Step 3: Cross multiply
767,537.60x = 1,059,202.96 × 423,365.84 - Step 4: Simplify right side
767,537.60x = 448,430,350,890.89 - Step 5: Solve for x
x = 448,430,350,890.89/767,537.60 - Step 6: Final answer
x = 584,245.45
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1.5x scale
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.