Finding the Fourth Proportional to 738,482.64, 1,018,715.48 and 508,644.63
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Solution
The fourth proportional to 738,482.64, 1,018,715.48 and 508,644.63 is: 701,660.59
Step by Step Solution
- Step 1: Write the proportion equation
738,482.64 : 1,018,715.48 = 508,644.63 : x - Step 2: Convert to fraction form
738,482.64/1,018,715.48 = 508,644.63/x - Step 3: Cross multiply
738,482.64x = 1,018,715.48 × 508,644.63 - Step 4: Simplify right side
738,482.64x = 518,164,160,625.19 - Step 5: Solve for x
x = 518,164,160,625.19/738,482.64 - Step 6: Final answer
x = 701,660.59
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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.