Finding the Fourth Proportional to 687,602.18, 1,025,525.44 and 603,912.98
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Solution
The fourth proportional to 687,602.18, 1,025,525.44 and 603,912.98 is: 900,707.04
Step by Step Solution
- Step 1: Write the proportion equation
687,602.18 : 1,025,525.44 = 603,912.98 : x - Step 2: Convert to fraction form
687,602.18/1,025,525.44 = 603,912.98/x - Step 3: Cross multiply
687,602.18x = 1,025,525.44 × 603,912.98 - Step 4: Simplify right side
687,602.18x = 619,328,124,536.21 - Step 5: Solve for x
x = 619,328,124,536.21/687,602.18 - Step 6: Final answer
x = 900,707.04
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.