Finding the Fourth Proportional to 817,779.96, 1,128,527.97 and 450,245.50
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Solution
The fourth proportional to 817,779.96, 1,128,527.97 and 450,245.50 is: 621,334.18
Step by Step Solution
- Step 1: Write the proportion equation
817,779.96 : 1,128,527.97 = 450,245.50 : x - Step 2: Convert to fraction form
817,779.96/1,128,527.97 = 450,245.50/x - Step 3: Cross multiply
817,779.96x = 1,128,527.97 × 450,245.50 - Step 4: Simplify right side
817,779.96x = 508,114,640,116.64 - Step 5: Solve for x
x = 508,114,640,116.64/817,779.96 - Step 6: Final answer
x = 621,334.18
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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.