Finding the Fourth Proportional to 877,827.96, 1,211,924.64 and 555,814.08
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Solution
The fourth proportional to 877,827.96, 1,211,924.64 and 555,814.08 is: 767,353.98
Step by Step Solution
- Step 1: Write the proportion equation
877,827.96 : 1,211,924.64 = 555,814.08 : x - Step 2: Convert to fraction form
877,827.96/1,211,924.64 = 555,814.08/x - Step 3: Cross multiply
877,827.96x = 1,211,924.64 × 555,814.08 - Step 4: Simplify right side
877,827.96x = 673,604,778,810.93 - Step 5: Solve for x
x = 673,604,778,810.93/877,827.96 - Step 6: Final answer
x = 767,353.98
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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.