Finding the Fourth Proportional to 489,444.14, 734,136.70 and 291,027.20
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Solution
The fourth proportional to 489,444.14, 734,136.70 and 291,027.20 is: 436,523.25
Step by Step Solution
- Step 1: Write the proportion equation
489,444.14 : 734,136.70 = 291,027.20 : x - Step 2: Convert to fraction form
489,444.14/734,136.70 = 291,027.20/x - Step 3: Cross multiply
489,444.14x = 734,136.70 × 291,027.20 - Step 4: Simplify right side
489,444.14x = 213,653,748,218.24 - Step 5: Solve for x
x = 213,653,748,218.24/489,444.14 - Step 6: Final answer
x = 436,523.25
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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.