Finding the Fourth Proportional to 738,035.98, 1,103,010.32 and 538,775.98
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Solution
The fourth proportional to 738,035.98, 1,103,010.32 and 538,775.98 is: 805,212.05
Step by Step Solution
- Step 1: Write the proportion equation
738,035.98 : 1,103,010.32 = 538,775.98 : x - Step 2: Convert to fraction form
738,035.98/1,103,010.32 = 538,775.98/x - Step 3: Cross multiply
738,035.98x = 1,103,010.32 × 538,775.98 - Step 4: Simplify right side
738,035.98x = 594,275,466,108.11 - Step 5: Solve for x
x = 594,275,466,108.11/738,035.98 - Step 6: Final answer
x = 805,212.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.