Finding the Fourth Proportional to 790,632.74, 1,092,911.74 and 705,436
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Solution
The fourth proportional to 790,632.74, 1,092,911.74 and 705,436 is: 975,142.12
Step by Step Solution
- Step 1: Write the proportion equation
790,632.74 : 1,092,911.74 = 705,436 : x - Step 2: Convert to fraction form
790,632.74/1,092,911.74 = 705,436/x - Step 3: Cross multiply
790,632.74x = 1,092,911.74 × 705,436 - Step 4: Simplify right side
790,632.74x = 770,979,286,218.64 - Step 5: Solve for x
x = 770,979,286,218.64/790,632.74 - Step 6: Final answer
x = 975,142.12
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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.