Finding the Fourth Proportional to 646,596.84, 892,331.16 and 360,116.88
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Solution
The fourth proportional to 646,596.84, 892,331.16 and 360,116.88 is: 496,976.62
Step by Step Solution
- Step 1: Write the proportion equation
646,596.84 : 892,331.16 = 360,116.88 : x - Step 2: Convert to fraction form
646,596.84/892,331.16 = 360,116.88/x - Step 3: Cross multiply
646,596.84x = 892,331.16 × 360,116.88 - Step 4: Simplify right side
646,596.84x = 321,343,513,265.98 - Step 5: Solve for x
x = 321,343,513,265.98/646,596.84 - Step 6: Final answer
x = 496,976.62
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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.