Finding the Fourth Proportional to 624,803.25, 862,211.18 and 370,154.44
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Solution
The fourth proportional to 624,803.25, 862,211.18 and 370,154.44 is: 510,802.88
Step by Step Solution
- Step 1: Write the proportion equation
624,803.25 : 862,211.18 = 370,154.44 : x - Step 2: Convert to fraction form
624,803.25/862,211.18 = 370,154.44/x - Step 3: Cross multiply
624,803.25x = 862,211.18 × 370,154.44 - Step 4: Simplify right side
624,803.25x = 319,151,298,497.79 - Step 5: Solve for x
x = 319,151,298,497.79/624,803.25 - Step 6: Final answer
x = 510,802.88
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1.5x scale
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.