Finding the Fourth Proportional to 534,617.74, 737,773.05 and 289,603.07
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Solution
The fourth proportional to 534,617.74, 737,773.05 and 289,603.07 is: 399,652.54
Step by Step Solution
- Step 1: Write the proportion equation
534,617.74 : 737,773.05 = 289,603.07 : x - Step 2: Convert to fraction form
534,617.74/737,773.05 = 289,603.07/x - Step 3: Cross multiply
534,617.74x = 737,773.05 × 289,603.07 - Step 4: Simplify right side
534,617.74x = 213,661,340,243.26 - Step 5: Solve for x
x = 213,661,340,243.26/534,617.74 - Step 6: Final answer
x = 399,652.54
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1.5x scale
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.