Finding the Fourth Proportional to 817,876.81, 1,226,721.36 and 218,884.70
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Solution
The fourth proportional to 817,876.81, 1,226,721.36 and 218,884.70 is: 328,301.93
Step by Step Solution
- Step 1: Write the proportion equation
817,876.81 : 1,226,721.36 = 218,884.70 : x - Step 2: Convert to fraction form
817,876.81/1,226,721.36 = 218,884.70/x - Step 3: Cross multiply
817,876.81x = 1,226,721.36 × 218,884.70 - Step 4: Simplify right side
817,876.81x = 268,510,536,867.19 - Step 5: Solve for x
x = 268,510,536,867.19/817,876.81 - Step 6: Final answer
x = 328,301.93
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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.