Finding the Fourth Proportional to 521,246.44, 719,284.87 and 288,656.67
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Solution
The fourth proportional to 521,246.44, 719,284.87 and 288,656.67 is: 398,326.70
Step by Step Solution
- Step 1: Write the proportion equation
521,246.44 : 719,284.87 = 288,656.67 : x - Step 2: Convert to fraction form
521,246.44/719,284.87 = 288,656.67/x - Step 3: Cross multiply
521,246.44x = 719,284.87 × 288,656.67 - Step 4: Simplify right side
521,246.44x = 207,626,375,355.58 - Step 5: Solve for x
x = 207,626,375,355.58/521,246.44 - Step 6: Final answer
x = 398,326.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.