Finding the Fourth Proportional to 969,164.19, 1,337,446.64 and 539,435.09
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Solution
The fourth proportional to 969,164.19, 1,337,446.64 and 539,435.09 is: 744,420.46
Step by Step Solution
- Step 1: Write the proportion equation
969,164.19 : 1,337,446.64 = 539,435.09 : x - Step 2: Convert to fraction form
969,164.19/1,337,446.64 = 539,435.09/x - Step 3: Cross multiply
969,164.19x = 1,337,446.64 × 539,435.09 - Step 4: Simplify right side
969,164.19x = 721,465,650,276.48 - Step 5: Solve for x
x = 721,465,650,276.48/969,164.19 - Step 6: Final answer
x = 744,420.46
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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.