Finding the Fourth Proportional to 992,801.40, 1,489,202.10 and 614,887.80
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Solution
The fourth proportional to 992,801.40, 1,489,202.10 and 614,887.80 is: 922,331.70
Step by Step Solution
- Step 1: Write the proportion equation
992,801.40 : 1,489,202.10 = 614,887.80 : x - Step 2: Convert to fraction form
992,801.40/1,489,202.10 = 614,887.80/x - Step 3: Cross multiply
992,801.40x = 1,489,202.10 × 614,887.80 - Step 4: Simplify right side
992,801.40x = 915,692,203,024.38 - Step 5: Solve for x
x = 915,692,203,024.38/992,801.40 - Step 6: Final answer
x = 922,331.70
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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.