Finding the Fourth Proportional to 528,440.44, 792,686.66 and 212,854.68
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Solution
The fourth proportional to 528,440.44, 792,686.66 and 212,854.68 is: 319,292.49
Step by Step Solution
- Step 1: Write the proportion equation
528,440.44 : 792,686.66 = 212,854.68 : x - Step 2: Convert to fraction form
528,440.44/792,686.66 = 212,854.68/x - Step 3: Cross multiply
528,440.44x = 792,686.66 × 212,854.68 - Step 4: Simplify right side
528,440.44x = 168,727,065,354.57 - Step 5: Solve for x
x = 168,727,065,354.57/528,440.44 - Step 6: Final answer
x = 319,292.49
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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.