Finding the Fourth Proportional to 646,545.68, 892,213.08 and 360,059.84
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Solution
The fourth proportional to 646,545.68, 892,213.08 and 360,059.84 is: 496,871.46
Step by Step Solution
- Step 1: Write the proportion equation
646,545.68 : 892,213.08 = 360,059.84 : x - Step 2: Convert to fraction form
646,545.68/892,213.08 = 360,059.84/x - Step 3: Cross multiply
646,545.68x = 892,213.08 × 360,059.84 - Step 4: Simplify right side
646,545.68x = 321,250,098,830.71 - Step 5: Solve for x
x = 321,250,098,830.71/646,545.68 - Step 6: Final answer
x = 496,871.46
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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.