Finding the Fourth Proportional to 767,803.65, 1,151,705.38 and 262,368.99
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Solution
The fourth proportional to 767,803.65, 1,151,705.38 and 262,368.99 is: 393,553.45
Step by Step Solution
- Step 1: Write the proportion equation
767,803.65 : 1,151,705.38 = 262,368.99 : x - Step 2: Convert to fraction form
767,803.65/1,151,705.38 = 262,368.99/x - Step 3: Cross multiply
767,803.65x = 1,151,705.38 × 262,368.99 - Step 4: Simplify right side
767,803.65x = 302,171,777,328.17 - Step 5: Solve for x
x = 302,171,777,328.17/767,803.65 - Step 6: Final answer
x = 393,553.45
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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.