Finding the Fourth Proportional to 747,590.40, 1,031,674.80 and 408,058.68
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Solution
The fourth proportional to 747,590.40, 1,031,674.80 and 408,058.68 is: 563,121.00
Step by Step Solution
- Step 1: Write the proportion equation
747,590.40 : 1,031,674.80 = 408,058.68 : x - Step 2: Convert to fraction form
747,590.40/1,031,674.80 = 408,058.68/x - Step 3: Cross multiply
747,590.40x = 1,031,674.80 × 408,058.68 - Step 4: Simplify right side
747,590.40x = 420,983,857,077.26 - Step 5: Solve for x
x = 420,983,857,077.26/747,590.40 - Step 6: Final answer
x = 563,121.00
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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.