Finding the Fourth Proportional to 941,286.90, 1,298,985.99 and 511,567.05
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Solution
The fourth proportional to 941,286.90, 1,298,985.99 and 511,567.05 is: 705,968.00
Step by Step Solution
- Step 1: Write the proportion equation
941,286.90 : 1,298,985.99 = 511,567.05 : x - Step 2: Convert to fraction form
941,286.90/1,298,985.99 = 511,567.05/x - Step 3: Cross multiply
941,286.90x = 1,298,985.99 × 511,567.05 - Step 4: Simplify right side
941,286.90x = 664,518,430,895.63 - Step 5: Solve for x
x = 664,518,430,895.63/941,286.90 - Step 6: Final answer
x = 705,968.00
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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.