Finding the Fourth Proportional to 985,927.44, 1,360,579.87 and 533,218.44
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Solution
The fourth proportional to 985,927.44, 1,360,579.87 and 533,218.44 is: 735,841.45
Step by Step Solution
- Step 1: Write the proportion equation
985,927.44 : 1,360,579.87 = 533,218.44 : x - Step 2: Convert to fraction form
985,927.44/1,360,579.87 = 533,218.44/x - Step 3: Cross multiply
985,927.44x = 1,360,579.87 × 533,218.44 - Step 4: Simplify right side
985,927.44x = 725,486,273,110.71 - Step 5: Solve for x
x = 725,486,273,110.71/985,927.44 - Step 6: Final answer
x = 735,841.45
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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.