Finding the Fourth Proportional to 556,675.81, 768,212.67 and 302,027.02
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Solution
The fourth proportional to 556,675.81, 768,212.67 and 302,027.02 is: 416,797.32
Step by Step Solution
- Step 1: Write the proportion equation
556,675.81 : 768,212.67 = 302,027.02 : x - Step 2: Convert to fraction form
556,675.81/768,212.67 = 302,027.02/x - Step 3: Cross multiply
556,675.81x = 768,212.67 × 302,027.02 - Step 4: Simplify right side
556,675.81x = 232,020,983,446.34 - Step 5: Solve for x
x = 232,020,983,446.34/556,675.81 - Step 6: Final answer
x = 416,797.32
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1.5x scale
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.