Finding the Fourth Proportional to 534,925.19, 738,272.49 and 331,041.80
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Solution
The fourth proportional to 534,925.19, 738,272.49 and 331,041.80 is: 456,884.55
Step by Step Solution
- Step 1: Write the proportion equation
534,925.19 : 738,272.49 = 331,041.80 : x - Step 2: Convert to fraction form
534,925.19/738,272.49 = 331,041.80/x - Step 3: Cross multiply
534,925.19x = 738,272.49 × 331,041.80 - Step 4: Simplify right side
534,925.19x = 244,399,053,980.08 - Step 5: Solve for x
x = 244,399,053,980.08/534,925.19 - Step 6: Final answer
x = 456,884.55
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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.