Finding the Fourth Proportional to 635,904.84, 953,886.42 and 449,747.40
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Solution
The fourth proportional to 635,904.84, 953,886.42 and 449,747.40 is: 674,641.72
Step by Step Solution
- Step 1: Write the proportion equation
635,904.84 : 953,886.42 = 449,747.40 : x - Step 2: Convert to fraction form
635,904.84/953,886.42 = 449,747.40/x - Step 3: Cross multiply
635,904.84x = 953,886.42 × 449,747.40 - Step 4: Simplify right side
635,904.84x = 429,007,937,290.31 - Step 5: Solve for x
x = 429,007,937,290.31/635,904.84 - Step 6: Final answer
x = 674,641.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.