Finding the Fourth Proportional to 864,235.54, 1,192,683.18 and 482,263.84
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Solution
The fourth proportional to 864,235.54, 1,192,683.18 and 482,263.84 is: 665,545.38
Step by Step Solution
- Step 1: Write the proportion equation
864,235.54 : 1,192,683.18 = 482,263.84 : x - Step 2: Convert to fraction form
864,235.54/1,192,683.18 = 482,263.84/x - Step 3: Cross multiply
864,235.54x = 1,192,683.18 × 482,263.84 - Step 4: Simplify right side
864,235.54x = 575,187,970,290.21 - Step 5: Solve for x
x = 575,187,970,290.21/864,235.54 - Step 6: Final answer
x = 665,545.38
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1.5x scale
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.