Finding the Fourth Proportional to 945,368.85, 1,304,608.99 and 515,648.95
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Solution
The fourth proportional to 945,368.85, 1,304,608.99 and 515,648.95 is: 711,595.54
Step by Step Solution
- Step 1: Write the proportion equation
945,368.85 : 1,304,608.99 = 515,648.95 : x - Step 2: Convert to fraction form
945,368.85/1,304,608.99 = 515,648.95/x - Step 3: Cross multiply
945,368.85x = 1,304,608.99 × 515,648.95 - Step 4: Simplify right side
945,368.85x = 672,720,255,854.06 - Step 5: Solve for x
x = 672,720,255,854.06/945,368.85 - Step 6: Final answer
x = 711,595.54
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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.