Finding the Fourth Proportional to 966,490.86, 1,448,365.32 and 711,773.70
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Solution
The fourth proportional to 966,490.86, 1,448,365.32 and 711,773.70 is: 1,066,650.90
Step by Step Solution
- Step 1: Write the proportion equation
966,490.86 : 1,448,365.32 = 711,773.70 : x - Step 2: Convert to fraction form
966,490.86/1,448,365.32 = 711,773.70/x - Step 3: Cross multiply
966,490.86x = 1,448,365.32 × 711,773.70 - Step 4: Simplify right side
966,490.86x = 1,030,908,342,768.08 - Step 5: Solve for x
x = 1,030,908,342,768.08/966,490.86 - Step 6: Final answer
x = 1,066,650.90
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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.