Finding the Fourth Proportional to 526,487.09, 726,371.89 and 429,521.99
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Solution
The fourth proportional to 526,487.09, 726,371.89 and 429,521.99 is: 592,593.25
Step by Step Solution
- Step 1: Write the proportion equation
526,487.09 : 726,371.89 = 429,521.99 : x - Step 2: Convert to fraction form
526,487.09/726,371.89 = 429,521.99/x - Step 3: Cross multiply
526,487.09x = 726,371.89 × 429,521.99 - Step 4: Simplify right side
526,487.09x = 311,992,694,967.20 - Step 5: Solve for x
x = 311,992,694,967.20/526,487.09 - Step 6: Final answer
x = 592,593.25
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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.