Finding the Fourth Proportional to 679,225.68, 937,326.60 and 369,125.88
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Solution
The fourth proportional to 679,225.68, 937,326.60 and 369,125.88 is: 509,391.08
Step by Step Solution
- Step 1: Write the proportion equation
679,225.68 : 937,326.60 = 369,125.88 : x - Step 2: Convert to fraction form
679,225.68/937,326.60 = 369,125.88/x - Step 3: Cross multiply
679,225.68x = 937,326.60 × 369,125.88 - Step 4: Simplify right side
679,225.68x = 345,991,506,072.41 - Step 5: Solve for x
x = 345,991,506,072.41/679,225.68 - Step 6: Final answer
x = 509,391.08
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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.