Finding the Fourth Proportional to 613,909.63, 847,082.87 and 341,970.76
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Solution
The fourth proportional to 613,909.63, 847,082.87 and 341,970.76 is: 471,857.02
Step by Step Solution
- Step 1: Write the proportion equation
613,909.63 : 847,082.87 = 341,970.76 : x - Step 2: Convert to fraction form
613,909.63/847,082.87 = 341,970.76/x - Step 3: Cross multiply
613,909.63x = 847,082.87 × 341,970.76 - Step 4: Simplify right side
613,909.63x = 289,677,571,127.03 - Step 5: Solve for x
x = 289,677,571,127.03/613,909.63 - Step 6: Final answer
x = 471,857.02
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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.