Finding the Fourth Proportional to 842,613.84, 1,264,239.99 and 505,889.64
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Solution
The fourth proportional to 842,613.84, 1,264,239.99 and 505,889.64 is: 759,026.12
Step by Step Solution
- Step 1: Write the proportion equation
842,613.84 : 1,264,239.99 = 505,889.64 : x - Step 2: Convert to fraction form
842,613.84/1,264,239.99 = 505,889.64/x - Step 3: Cross multiply
842,613.84x = 1,264,239.99 × 505,889.64 - Step 4: Simplify right side
842,613.84x = 639,565,913,414.70 - Step 5: Solve for x
x = 639,565,913,414.70/842,613.84 - Step 6: Final answer
x = 759,026.12
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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.