Finding the Fourth Proportional to 1,323,484.88, 1,984,973.99 and 513,869.22
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Solution
The fourth proportional to 1,323,484.88, 1,984,973.99 and 513,869.22 is: 770,705.47
Step by Step Solution
- Step 1: Write the proportion equation
1,323,484.88 : 1,984,973.99 = 513,869.22 : x - Step 2: Convert to fraction form
1,323,484.88/1,984,973.99 = 513,869.22/x - Step 3: Cross multiply
1,323,484.88x = 1,984,973.99 × 513,869.22 - Step 4: Simplify right side
1,323,484.88x = 1,020,017,033,392.24 - Step 5: Solve for x
x = 1,020,017,033,392.24/1,323,484.88 - Step 6: Final answer
x = 770,705.47
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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.