Finding the Fourth Proportional to 527,601.99, 728,341.84 and 353,472.04
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Solution
The fourth proportional to 527,601.99, 728,341.84 and 353,472.04 is: 487,959.64
Step by Step Solution
- Step 1: Write the proportion equation
527,601.99 : 728,341.84 = 353,472.04 : x - Step 2: Convert to fraction form
527,601.99/728,341.84 = 353,472.04/x - Step 3: Cross multiply
527,601.99x = 728,341.84 × 353,472.04 - Step 4: Simplify right side
527,601.99x = 257,448,476,002.15 - Step 5: Solve for x
x = 257,448,476,002.15/527,601.99 - Step 6: Final answer
x = 487,959.64
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1.5x scale
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.