Finding the Fourth Proportional to 444,254.62, 612,433.68 and 316,708.78
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Solution
The fourth proportional to 444,254.62, 612,433.68 and 316,708.78 is: 436,603.50
Step by Step Solution
- Step 1: Write the proportion equation
444,254.62 : 612,433.68 = 316,708.78 : x - Step 2: Convert to fraction form
444,254.62/612,433.68 = 316,708.78/x - Step 3: Cross multiply
444,254.62x = 612,433.68 × 316,708.78 - Step 4: Simplify right side
444,254.62x = 193,963,123,623.71 - Step 5: Solve for x
x = 193,963,123,623.71/444,254.62 - Step 6: Final answer
x = 436,603.50
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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.