Finding the Fourth Proportional to 519,690.24, 717,048.48 and 358,493.76
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Solution
The fourth proportional to 519,690.24, 717,048.48 and 358,493.76 is: 494,635.82
Step by Step Solution
- Step 1: Write the proportion equation
519,690.24 : 717,048.48 = 358,493.76 : x - Step 2: Convert to fraction form
519,690.24/717,048.48 = 358,493.76/x - Step 3: Cross multiply
519,690.24x = 717,048.48 × 358,493.76 - Step 4: Simplify right side
519,690.24x = 257,057,405,697.49 - Step 5: Solve for x
x = 257,057,405,697.49/519,690.24 - Step 6: Final answer
x = 494,635.82
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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.