Finding the Fourth Proportional to 629,572.99, 944,013.22 and 430,118.59
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Solution
The fourth proportional to 629,572.99, 944,013.22 and 430,118.59 is: 644,941.32
Step by Step Solution
- Step 1: Write the proportion equation
629,572.99 : 944,013.22 = 430,118.59 : x - Step 2: Convert to fraction form
629,572.99/944,013.22 = 430,118.59/x - Step 3: Cross multiply
629,572.99x = 944,013.22 × 430,118.59 - Step 4: Simplify right side
629,572.99x = 406,037,635,127.76 - Step 5: Solve for x
x = 406,037,635,127.76/629,572.99 - Step 6: Final answer
x = 644,941.32
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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.