Finding the Fourth Proportional to 859,508.68, 1,289,263.04 and 326,906.68
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Solution
The fourth proportional to 859,508.68, 1,289,263.04 and 326,906.68 is: 490,360.03
Step by Step Solution
- Step 1: Write the proportion equation
859,508.68 : 1,289,263.04 = 326,906.68 : x - Step 2: Convert to fraction form
859,508.68/1,289,263.04 = 326,906.68/x - Step 3: Cross multiply
859,508.68x = 1,289,263.04 × 326,906.68 - Step 4: Simplify right side
859,508.68x = 421,468,700,053.11 - Step 5: Solve for x
x = 421,468,700,053.11/859,508.68 - Step 6: Final answer
x = 490,360.03
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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.