Finding the Fourth Proportional to 498,598.74, 687,237.75 and 353,217.96
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Solution
The fourth proportional to 498,598.74, 687,237.75 and 353,217.96 is: 486,853.85
Step by Step Solution
- Step 1: Write the proportion equation
498,598.74 : 687,237.75 = 353,217.96 : x - Step 2: Convert to fraction form
498,598.74/687,237.75 = 353,217.96/x - Step 3: Cross multiply
498,598.74x = 687,237.75 × 353,217.96 - Step 4: Simplify right side
498,598.74x = 242,744,716,089.99 - Step 5: Solve for x
x = 242,744,716,089.99/498,598.74 - Step 6: Final answer
x = 486,853.85
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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.