Finding the Fourth Proportional to 540,948.66, 746,327.84 and 311,501.01
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Solution
The fourth proportional to 540,948.66, 746,327.84 and 311,501.01 is: 429,766.99
Step by Step Solution
- Step 1: Write the proportion equation
540,948.66 : 746,327.84 = 311,501.01 : x - Step 2: Convert to fraction form
540,948.66/746,327.84 = 311,501.01/x - Step 3: Cross multiply
540,948.66x = 746,327.84 × 311,501.01 - Step 4: Simplify right side
540,948.66x = 232,481,875,951.12 - Step 5: Solve for x
x = 232,481,875,951.12/540,948.66 - Step 6: Final answer
x = 429,766.99
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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.