Finding the Fourth Proportional to 577,947.15, 866,921.94 and 311,832.99
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Solution
The fourth proportional to 577,947.15, 866,921.94 and 311,832.99 is: 467,750.14
Step by Step Solution
- Step 1: Write the proportion equation
577,947.15 : 866,921.94 = 311,832.99 : x - Step 2: Convert to fraction form
577,947.15/866,921.94 = 311,832.99/x - Step 3: Cross multiply
577,947.15x = 866,921.94 × 311,832.99 - Step 4: Simplify right side
577,947.15x = 270,334,860,646.80 - Step 5: Solve for x
x = 270,334,860,646.80/577,947.15 - Step 6: Final answer
x = 467,750.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.