Finding the Fourth Proportional to 968,963.58, 1,337,159.34 and 539,236.44
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Solution
The fourth proportional to 968,963.58, 1,337,159.34 and 539,236.44 is: 744,140.50
Step by Step Solution
- Step 1: Write the proportion equation
968,963.58 : 1,337,159.34 = 539,236.44 : x - Step 2: Convert to fraction form
968,963.58/1,337,159.34 = 539,236.44/x - Step 3: Cross multiply
968,963.58x = 1,337,159.34 × 539,236.44 - Step 4: Simplify right side
968,963.58x = 721,045,042,214.35 - Step 5: Solve for x
x = 721,045,042,214.35/968,963.58 - Step 6: Final answer
x = 744,140.50
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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.