Finding the Fourth Proportional to 977,960.70, 1,467,378.45 and 472,326.30
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Solution
The fourth proportional to 977,960.70, 1,467,378.45 and 472,326.30 is: 708,700.70
Step by Step Solution
- Step 1: Write the proportion equation
977,960.70 : 1,467,378.45 = 472,326.30 : x - Step 2: Convert to fraction form
977,960.70/1,467,378.45 = 472,326.30/x - Step 3: Cross multiply
977,960.70x = 1,467,378.45 × 472,326.30 - Step 4: Simplify right side
977,960.70x = 693,081,433,988.24 - Step 5: Solve for x
x = 693,081,433,988.24/977,960.70 - Step 6: Final answer
x = 708,700.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.