Finding the Fourth Proportional to 520,058.70, 730,181.70 and 520,058.70
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Solution
The fourth proportional to 520,058.70, 730,181.70 and 520,058.70 is: 730,181.70
Step by Step Solution
- Step 1: Write the proportion equation
520,058.70 : 730,181.70 = 520,058.70 : x - Step 2: Convert to fraction form
520,058.70/730,181.70 = 520,058.70/x - Step 3: Cross multiply
520,058.70x = 730,181.70 × 520,058.70 - Step 4: Simplify right side
520,058.70x = 379,737,345,665.79 - Step 5: Solve for x
x = 379,737,345,665.79/520,058.70 - Step 6: Final answer
x = 730,181.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.