Finding the Fourth Proportional to 992,317.98, 1,486,598.79 and 586,295.94
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Solution
The fourth proportional to 992,317.98, 1,486,598.79 and 586,295.94 is: 878,334.22
Step by Step Solution
- Step 1: Write the proportion equation
992,317.98 : 1,486,598.79 = 586,295.94 : x - Step 2: Convert to fraction form
992,317.98/1,486,598.79 = 586,295.94/x - Step 3: Cross multiply
992,317.98x = 1,486,598.79 × 586,295.94 - Step 4: Simplify right side
992,317.98x = 871,586,834,985.91 - Step 5: Solve for x
x = 871,586,834,985.91/992,317.98 - Step 6: Final answer
x = 878,334.22
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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.