Finding the Fourth Proportional to 579,668.99, 869,753.77 and 313,616.79
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Solution
The fourth proportional to 579,668.99, 869,753.77 and 313,616.79 is: 470,560.60
Step by Step Solution
- Step 1: Write the proportion equation
579,668.99 : 869,753.77 = 313,616.79 : x - Step 2: Convert to fraction form
579,668.99/869,753.77 = 313,616.79/x - Step 3: Cross multiply
579,668.99x = 869,753.77 × 313,616.79 - Step 4: Simplify right side
579,668.99x = 272,769,384,653.76 - Step 5: Solve for x
x = 272,769,384,653.76/579,668.99 - Step 6: Final answer
x = 470,560.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.