Finding the Fourth Proportional to 556,947.96, 768,588.80 and 302,299.08
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Solution
The fourth proportional to 556,947.96, 768,588.80 and 302,299.08 is: 417,173.06
Step by Step Solution
- Step 1: Write the proportion equation
556,947.96 : 768,588.80 = 302,299.08 : x - Step 2: Convert to fraction form
556,947.96/768,588.80 = 302,299.08/x - Step 3: Cross multiply
556,947.96x = 768,588.80 × 302,299.08 - Step 4: Simplify right side
556,947.96x = 232,343,687,138.30 - Step 5: Solve for x
x = 232,343,687,138.30/556,947.96 - Step 6: Final answer
x = 417,173.06
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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.