Finding the Fourth Proportional to 624,884.19, 862,335.68 and 338,397.63
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Solution
The fourth proportional to 624,884.19, 862,335.68 and 338,397.63 is: 466,986.29
Step by Step Solution
- Step 1: Write the proportion equation
624,884.19 : 862,335.68 = 338,397.63 : x - Step 2: Convert to fraction form
624,884.19/862,335.68 = 338,397.63/x - Step 3: Cross multiply
624,884.19x = 862,335.68 × 338,397.63 - Step 4: Simplify right side
624,884.19x = 291,812,348,684.45 - Step 5: Solve for x
x = 291,812,348,684.45/624,884.19 - Step 6: Final answer
x = 466,986.29
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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.