Finding the Fourth Proportional to 646,889.61, 892,717.44 and 371,293.05
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Solution
The fourth proportional to 646,889.61, 892,717.44 and 371,293.05 is: 512,390.02
Step by Step Solution
- Step 1: Write the proportion equation
646,889.61 : 892,717.44 = 371,293.05 : x - Step 2: Convert to fraction form
646,889.61/892,717.44 = 371,293.05/x - Step 3: Cross multiply
646,889.61x = 892,717.44 × 371,293.05 - Step 4: Simplify right side
646,889.61x = 331,459,781,085.79 - Step 5: Solve for x
x = 331,459,781,085.79/646,889.61 - Step 6: Final answer
x = 512,390.02
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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.