Finding the Fourth Proportional to 557,872.62, 769,848.03 and 316,177.53
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Solution
The fourth proportional to 557,872.62, 769,848.03 and 316,177.53 is: 436,315.82
Step by Step Solution
- Step 1: Write the proportion equation
557,872.62 : 769,848.03 = 316,177.53 : x - Step 2: Convert to fraction form
557,872.62/769,848.03 = 316,177.53/x - Step 3: Cross multiply
557,872.62x = 769,848.03 × 316,177.53 - Step 4: Simplify right side
557,872.62x = 243,408,645,713.84 - Step 5: Solve for x
x = 243,408,645,713.84/557,872.62 - Step 6: Final answer
x = 436,315.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.