Finding the Fourth Proportional to 977,960.20, 1,467,377.70 and 472,325.80
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Solution
The fourth proportional to 977,960.20, 1,467,377.70 and 472,325.80 is: 708,699.95
Step by Step Solution
- Step 1: Write the proportion equation
977,960.20 : 1,467,377.70 = 472,325.80 : x - Step 2: Convert to fraction form
977,960.20/1,467,377.70 = 472,325.80/x - Step 3: Cross multiply
977,960.20x = 1,467,377.70 × 472,325.80 - Step 4: Simplify right side
977,960.20x = 693,080,346,054.66 - Step 5: Solve for x
x = 693,080,346,054.66/977,960.20 - Step 6: Final answer
x = 708,699.95
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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.