Finding the Fourth Proportional to 728,991.68, 1,006,033.44 and 423,044.48
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Solution
The fourth proportional to 728,991.68, 1,006,033.44 and 423,044.48 is: 583,815.84
Step by Step Solution
- Step 1: Write the proportion equation
728,991.68 : 1,006,033.44 = 423,044.48 : x - Step 2: Convert to fraction form
728,991.68/1,006,033.44 = 423,044.48/x - Step 3: Cross multiply
728,991.68x = 1,006,033.44 × 423,044.48 - Step 4: Simplify right side
728,991.68x = 425,596,893,487.41 - Step 5: Solve for x
x = 425,596,893,487.41/728,991.68 - Step 6: Final answer
x = 583,815.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.