Finding the Fourth Proportional to 769,802.18, 1,154,567.19 and 208,880.42
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Solution
The fourth proportional to 769,802.18, 1,154,567.19 and 208,880.42 is: 313,283.71
Step by Step Solution
- Step 1: Write the proportion equation
769,802.18 : 1,154,567.19 = 208,880.42 : x - Step 2: Convert to fraction form
769,802.18/1,154,567.19 = 208,880.42/x - Step 3: Cross multiply
769,802.18x = 1,154,567.19 × 208,880.42 - Step 4: Simplify right side
769,802.18x = 241,166,479,565.42 - Step 5: Solve for x
x = 241,166,479,565.42/769,802.18 - Step 6: Final answer
x = 313,283.71
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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.