Finding the Fourth Proportional to 817,710.39, 1,226,479.30 and 218,731.99
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Solution
The fourth proportional to 817,710.39, 1,226,479.30 and 218,731.99 is: 328,074.90
Step by Step Solution
- Step 1: Write the proportion equation
817,710.39 : 1,226,479.30 = 218,731.99 : x - Step 2: Convert to fraction form
817,710.39/1,226,479.30 = 218,731.99/x - Step 3: Cross multiply
817,710.39x = 1,226,479.30 × 218,731.99 - Step 4: Simplify right side
817,710.39x = 268,270,256,889.15 - Step 5: Solve for x
x = 268,270,256,889.15/817,710.39 - Step 6: Final answer
x = 328,074.90
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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.