Finding the Fourth Proportional to 604,982.05, 905,192.99 and 360,920.55
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Solution
The fourth proportional to 604,982.05, 905,192.99 and 360,920.55 is: 540,020.56
Step by Step Solution
- Step 1: Write the proportion equation
604,982.05 : 905,192.99 = 360,920.55 : x - Step 2: Convert to fraction form
604,982.05/905,192.99 = 360,920.55/x - Step 3: Cross multiply
604,982.05x = 905,192.99 × 360,920.55 - Step 4: Simplify right side
604,982.05x = 326,702,747,280.98 - Step 5: Solve for x
x = 326,702,747,280.98/604,982.05 - Step 6: Final answer
x = 540,020.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.