Finding the Fourth Proportional to 604,479.56, 905,971.99 and 305,045.80
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Solution
The fourth proportional to 604,479.56, 905,971.99 and 305,045.80 is: 457,191.55
Step by Step Solution
- Step 1: Write the proportion equation
604,479.56 : 905,971.99 = 305,045.80 : x - Step 2: Convert to fraction form
604,479.56/905,971.99 = 305,045.80/x - Step 3: Cross multiply
604,479.56x = 905,971.99 × 305,045.80 - Step 4: Simplify right side
604,479.56x = 276,362,948,011.56 - Step 5: Solve for x
x = 276,362,948,011.56/604,479.56 - Step 6: Final answer
x = 457,191.55
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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.