Finding the Fourth Proportional to 746,572.40, 1,122,623.40 and 624,921.20
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Solution
The fourth proportional to 746,572.40, 1,122,623.40 and 624,921.20 is: 939,696.09
Step by Step Solution
- Step 1: Write the proportion equation
746,572.40 : 1,122,623.40 = 624,921.20 : x - Step 2: Convert to fraction form
746,572.40/1,122,623.40 = 624,921.20/x - Step 3: Cross multiply
746,572.40x = 1,122,623.40 × 624,921.20 - Step 4: Simplify right side
746,572.40x = 701,551,162,276.08 - Step 5: Solve for x
x = 701,551,162,276.08/746,572.40 - Step 6: Final answer
x = 939,696.09
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1.5x scale
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.