Finding the Fourth Proportional to 676,605.44, 1,014,781.14 and 339,555.68
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Solution
The fourth proportional to 676,605.44, 1,014,781.14 and 339,555.68 is: 509,269.77
Step by Step Solution
- Step 1: Write the proportion equation
676,605.44 : 1,014,781.14 = 339,555.68 : x - Step 2: Convert to fraction form
676,605.44/1,014,781.14 = 339,555.68/x - Step 3: Cross multiply
676,605.44x = 1,014,781.14 × 339,555.68 - Step 4: Simplify right side
676,605.44x = 344,574,700,043.88 - Step 5: Solve for x
x = 344,574,700,043.88/676,605.44 - Step 6: Final answer
x = 509,269.77
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1.5x scale
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.