Finding the Fourth Proportional to 657,492.80, 986,239.20 and 545,299.70
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Solution
The fourth proportional to 657,492.80, 986,239.20 and 545,299.70 is: 817,949.55
Step by Step Solution
- Step 1: Write the proportion equation
657,492.80 : 986,239.20 = 545,299.70 : x - Step 2: Convert to fraction form
657,492.80/986,239.20 = 545,299.70/x - Step 3: Cross multiply
657,492.80x = 986,239.20 × 545,299.70 - Step 4: Simplify right side
657,492.80x = 537,795,939,888.24 - Step 5: Solve for x
x = 537,795,939,888.24/657,492.80 - Step 6: Final answer
x = 817,949.55
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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.