Finding the Fourth Proportional to 970,619.70, 1,455,929.55 and 498,227.70
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Solution
The fourth proportional to 970,619.70, 1,455,929.55 and 498,227.70 is: 747,341.55
Step by Step Solution
- Step 1: Write the proportion equation
970,619.70 : 1,455,929.55 = 498,227.70 : x - Step 2: Convert to fraction form
970,619.70/1,455,929.55 = 498,227.70/x - Step 3: Cross multiply
970,619.70x = 1,455,929.55 × 498,227.70 - Step 4: Simplify right side
970,619.70x = 725,384,431,058.54 - Step 5: Solve for x
x = 725,384,431,058.54/970,619.70 - Step 6: Final answer
x = 747,341.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.