Finding the Fourth Proportional to 658,245.40, 987,368.10 and 606,923.80
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Solution
The fourth proportional to 658,245.40, 987,368.10 and 606,923.80 is: 910,385.70
Step by Step Solution
- Step 1: Write the proportion equation
658,245.40 : 987,368.10 = 606,923.80 : x - Step 2: Convert to fraction form
658,245.40/987,368.10 = 606,923.80/x - Step 3: Cross multiply
658,245.40x = 987,368.10 × 606,923.80 - Step 4: Simplify right side
658,245.40x = 599,257,199,250.78 - Step 5: Solve for x
x = 599,257,199,250.78/658,245.40 - Step 6: Final answer
x = 910,385.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.