Finding the Fourth Proportional to 729,457.06, 1,006,818.70 and 427,748.26
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Solution
The fourth proportional to 729,457.06, 1,006,818.70 and 427,748.26 is: 590,391.09
Step by Step Solution
- Step 1: Write the proportion equation
729,457.06 : 1,006,818.70 = 427,748.26 : x - Step 2: Convert to fraction form
729,457.06/1,006,818.70 = 427,748.26/x - Step 3: Cross multiply
729,457.06x = 1,006,818.70 × 427,748.26 - Step 4: Simplify right side
729,457.06x = 430,664,947,060.46 - Step 5: Solve for x
x = 430,664,947,060.46/729,457.06 - Step 6: Final answer
x = 590,391.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.