Finding the Fourth Proportional to 986,586.75, 1,361,490.93 and 533,877.75
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Solution
The fourth proportional to 986,586.75, 1,361,490.93 and 533,877.75 is: 736,751.95
Step by Step Solution
- Step 1: Write the proportion equation
986,586.75 : 1,361,490.93 = 533,877.75 : x - Step 2: Convert to fraction form
986,586.75/1,361,490.93 = 533,877.75/x - Step 3: Cross multiply
986,586.75x = 1,361,490.93 × 533,877.75 - Step 4: Simplify right side
986,586.75x = 726,869,714,353.81 - Step 5: Solve for x
x = 726,869,714,353.81/986,586.75 - Step 6: Final answer
x = 736,751.95
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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.