Finding the Fourth Proportional to 534,639.78, 737,331.81 and 330,658.29
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Solution
The fourth proportional to 534,639.78, 737,331.81 and 330,658.29 is: 456,017.09
Step by Step Solution
- Step 1: Write the proportion equation
534,639.78 : 737,331.81 = 330,658.29 : x - Step 2: Convert to fraction form
534,639.78/737,331.81 = 330,658.29/x - Step 3: Cross multiply
534,639.78x = 737,331.81 × 330,658.29 - Step 4: Simplify right side
534,639.78x = 243,804,875,457.21 - Step 5: Solve for x
x = 243,804,875,457.21/534,639.78 - Step 6: Final answer
x = 456,017.09
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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.