Finding the Fourth Proportional to 556,922.19, 768,532.06 and 302,267.91
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Solution
The fourth proportional to 556,922.19, 768,532.06 and 302,267.91 is: 417,118.56
Step by Step Solution
- Step 1: Write the proportion equation
556,922.19 : 768,532.06 = 302,267.91 : x - Step 2: Convert to fraction form
556,922.19/768,532.06 = 302,267.91/x - Step 3: Cross multiply
556,922.19x = 768,532.06 × 302,267.91 - Step 4: Simplify right side
556,922.19x = 232,302,579,544.20 - Step 5: Solve for x
x = 232,302,579,544.20/556,922.19 - Step 6: Final answer
x = 417,118.56
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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.