Finding the Fourth Proportional to 928,818.72, 1,393,226.64 and 613,201.68
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Solution
The fourth proportional to 928,818.72, 1,393,226.64 and 613,201.68 is: 919,801.57
Step by Step Solution
- Step 1: Write the proportion equation
928,818.72 : 1,393,226.64 = 613,201.68 : x - Step 2: Convert to fraction form
928,818.72/1,393,226.64 = 613,201.68/x - Step 3: Cross multiply
928,818.72x = 1,393,226.64 × 613,201.68 - Step 4: Simplify right side
928,818.72x = 854,328,916,268.76 - Step 5: Solve for x
x = 854,328,916,268.76/928,818.72 - Step 6: Final answer
x = 919,801.57
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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.