Finding the Fourth Proportional to 868,929.99, 1,199,164.49 and 542,436.41
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Solution
The fourth proportional to 868,929.99, 1,199,164.49 and 542,436.41 is: 748,587.90
Step by Step Solution
- Step 1: Write the proportion equation
868,929.99 : 1,199,164.49 = 542,436.41 : x - Step 2: Convert to fraction form
868,929.99/1,199,164.49 = 542,436.41/x - Step 3: Cross multiply
868,929.99x = 1,199,164.49 × 542,436.41 - Step 4: Simplify right side
868,929.99x = 650,470,472,247.08 - Step 5: Solve for x
x = 650,470,472,247.08/868,929.99 - Step 6: Final answer
x = 748,587.90
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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.