Finding the Fourth Proportional to 831,595.98, 1,147,106.97 and 525,131.67
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Solution
The fourth proportional to 831,595.98, 1,147,106.97 and 525,131.67 is: 724,368.82
Step by Step Solution
- Step 1: Write the proportion equation
831,595.98 : 1,147,106.97 = 525,131.67 : x - Step 2: Convert to fraction form
831,595.98/1,147,106.97 = 525,131.67/x - Step 3: Cross multiply
831,595.98x = 1,147,106.97 × 525,131.67 - Step 4: Simplify right side
831,595.98x = 602,382,198,824.74 - Step 5: Solve for x
x = 602,382,198,824.74/831,595.98 - Step 6: Final answer
x = 724,368.82
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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.