Finding the Fourth Proportional to 898,428.90, 1,347,643.35 and 366,331.80
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Solution
The fourth proportional to 898,428.90, 1,347,643.35 and 366,331.80 is: 549,497.70
Step by Step Solution
- Step 1: Write the proportion equation
898,428.90 : 1,347,643.35 = 366,331.80 : x - Step 2: Convert to fraction form
898,428.90/1,347,643.35 = 366,331.80/x - Step 3: Cross multiply
898,428.90x = 1,347,643.35 × 366,331.80 - Step 4: Simplify right side
898,428.90x = 493,684,614,163.53 - Step 5: Solve for x
x = 493,684,614,163.53/898,428.90 - Step 6: Final answer
x = 549,497.70
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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.