Finding the Fourth Proportional to 688,467.66, 1,031,963.15 and 332,992.68
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Solution
The fourth proportional to 688,467.66, 1,031,963.15 and 332,992.68 is: 499,131.90
Step by Step Solution
- Step 1: Write the proportion equation
688,467.66 : 1,031,963.15 = 332,992.68 : x - Step 2: Convert to fraction form
688,467.66/1,031,963.15 = 332,992.68/x - Step 3: Cross multiply
688,467.66x = 1,031,963.15 × 332,992.68 - Step 4: Simplify right side
688,467.66x = 343,636,169,819.93 - Step 5: Solve for x
x = 343,636,169,819.93/688,467.66 - Step 6: Final answer
x = 499,131.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.