Finding the Fourth Proportional to 774,157.20, 1,159,680.60 and 537,766.80
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Solution
The fourth proportional to 774,157.20, 1,159,680.60 and 537,766.80 is: 805,569.88
Step by Step Solution
- Step 1: Write the proportion equation
774,157.20 : 1,159,680.60 = 537,766.80 : x - Step 2: Convert to fraction form
774,157.20/1,159,680.60 = 537,766.80/x - Step 3: Cross multiply
774,157.20x = 1,159,680.60 × 537,766.80 - Step 4: Simplify right side
774,157.20x = 623,637,725,284.08 - Step 5: Solve for x
x = 623,637,725,284.08/774,157.20 - Step 6: Final answer
x = 805,569.88
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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.