Finding the Fourth Proportional to 493,437.36, 680,956.83 and 299,779.14
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Solution
The fourth proportional to 493,437.36, 680,956.83 and 299,779.14 is: 413,703.28
Step by Step Solution
- Step 1: Write the proportion equation
493,437.36 : 680,956.83 = 299,779.14 : x - Step 2: Convert to fraction form
493,437.36/680,956.83 = 299,779.14/x - Step 3: Cross multiply
493,437.36x = 680,956.83 × 299,779.14 - Step 4: Simplify right side
493,437.36x = 204,136,652,874.53 - Step 5: Solve for x
x = 204,136,652,874.53/493,437.36 - Step 6: Final answer
x = 413,703.28
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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.