Finding the Fourth Proportional to 661,553.99, 912,916.95 and 375,093.44
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Solution
The fourth proportional to 661,553.99, 912,916.95 and 375,093.44 is: 517,613.32
Step by Step Solution
- Step 1: Write the proportion equation
661,553.99 : 912,916.95 = 375,093.44 : x - Step 2: Convert to fraction form
661,553.99/912,916.95 = 375,093.44/x - Step 3: Cross multiply
661,553.99x = 912,916.95 × 375,093.44 - Step 4: Simplify right side
661,553.99x = 342,429,159,209.81 - Step 5: Solve for x
x = 342,429,159,209.81/661,553.99 - Step 6: Final answer
x = 517,613.32
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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.