Finding the Fourth Proportional to 805,877.64, 1,209,239.82 and 356,908.68
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Solution
The fourth proportional to 805,877.64, 1,209,239.82 and 356,908.68 is: 535,550.52
Step by Step Solution
- Step 1: Write the proportion equation
805,877.64 : 1,209,239.82 = 356,908.68 : x - Step 2: Convert to fraction form
805,877.64/1,209,239.82 = 356,908.68/x - Step 3: Cross multiply
805,877.64x = 1,209,239.82 × 356,908.68 - Step 4: Simplify right side
805,877.64x = 431,588,187,959.64 - Step 5: Solve for x
x = 431,588,187,959.64/805,877.64 - Step 6: Final answer
x = 535,550.52
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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.