Finding the Fourth Proportional to 556,827.14, 768,421.44 and 302,178.33
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Solution
The fourth proportional to 556,827.14, 768,421.44 and 302,178.33 is: 417,006.09
Step by Step Solution
- Step 1: Write the proportion equation
556,827.14 : 768,421.44 = 302,178.33 : x - Step 2: Convert to fraction form
556,827.14/768,421.44 = 302,178.33/x - Step 3: Cross multiply
556,827.14x = 768,421.44 × 302,178.33 - Step 4: Simplify right side
556,827.14x = 232,200,307,475.40 - Step 5: Solve for x
x = 232,200,307,475.40/556,827.14 - Step 6: Final answer
x = 417,006.09
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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.