Finding the Fourth Proportional to 754,110.40, 1,131,106.80 and 438,365.92
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Solution
The fourth proportional to 754,110.40, 1,131,106.80 and 438,365.92 is: 657,514.70
Step by Step Solution
- Step 1: Write the proportion equation
754,110.40 : 1,131,106.80 = 438,365.92 : x - Step 2: Convert to fraction form
754,110.40/1,131,106.80 = 438,365.92/x - Step 3: Cross multiply
754,110.40x = 1,131,106.80 × 438,365.92 - Step 4: Simplify right side
754,110.40x = 495,838,673,000.26 - Step 5: Solve for x
x = 495,838,673,000.26/754,110.40 - Step 6: Final answer
x = 657,514.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.