Finding the Fourth Proportional to 664,011.80, 994,829.70 and 403,875.80
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Solution
The fourth proportional to 664,011.80, 994,829.70 and 403,875.80 is: 605,091.12
Step by Step Solution
- Step 1: Write the proportion equation
664,011.80 : 994,829.70 = 403,875.80 : x - Step 2: Convert to fraction form
664,011.80/994,829.70 = 403,875.80/x - Step 3: Cross multiply
664,011.80x = 994,829.70 × 403,875.80 - Step 4: Simplify right side
664,011.80x = 401,787,640,951.26 - Step 5: Solve for x
x = 401,787,640,951.26/664,011.80 - Step 6: Final answer
x = 605,091.12
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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.