Finding the Fourth Proportional to 969,543.24, 1,337,285.56 and 840,247.80
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Solution
The fourth proportional to 969,543.24, 1,337,285.56 and 840,247.80 is: 1,158,949.08
Step by Step Solution
- Step 1: Write the proportion equation
969,543.24 : 1,337,285.56 = 840,247.80 : x - Step 2: Convert to fraction form
969,543.24/1,337,285.56 = 840,247.80/x - Step 3: Cross multiply
969,543.24x = 1,337,285.56 × 840,247.80 - Step 4: Simplify right side
969,543.24x = 1,123,651,249,761.77 - Step 5: Solve for x
x = 1,123,651,249,761.77/969,543.24 - Step 6: Final answer
x = 1,158,949.08
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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.