Finding the Fourth Proportional to 644,430.62, 889,562.26 and 429,492.26
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Solution
The fourth proportional to 644,430.62, 889,562.26 and 429,492.26 is: 592,864.61
Step by Step Solution
- Step 1: Write the proportion equation
644,430.62 : 889,562.26 = 429,492.26 : x - Step 2: Convert to fraction form
644,430.62/889,562.26 = 429,492.26/x - Step 3: Cross multiply
644,430.62x = 889,562.26 × 429,492.26 - Step 4: Simplify right side
644,430.62x = 382,060,105,458.11 - Step 5: Solve for x
x = 382,060,105,458.11/644,430.62 - Step 6: Final answer
x = 592,864.61
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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.