Finding the Fourth Proportional to 778,759.14, 1,074,484.53 and 456,295.98
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Solution
The fourth proportional to 778,759.14, 1,074,484.53 and 456,295.98 is: 629,569.46
Step by Step Solution
- Step 1: Write the proportion equation
778,759.14 : 1,074,484.53 = 456,295.98 : x - Step 2: Convert to fraction form
778,759.14/1,074,484.53 = 456,295.98/x - Step 3: Cross multiply
778,759.14x = 1,074,484.53 × 456,295.98 - Step 4: Simplify right side
778,759.14x = 490,282,971,611.19 - Step 5: Solve for x
x = 490,282,971,611.19/778,759.14 - Step 6: Final answer
x = 629,569.46
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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.