Finding the Fourth Proportional to 506,040.12, 698,858.28 and 437,729.13
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Solution
The fourth proportional to 506,040.12, 698,858.28 and 437,729.13 is: 604,518.52
Step by Step Solution
- Step 1: Write the proportion equation
506,040.12 : 698,858.28 = 437,729.13 : x - Step 2: Convert to fraction form
506,040.12/698,858.28 = 437,729.13/x - Step 3: Cross multiply
506,040.12x = 698,858.28 × 437,729.13 - Step 4: Simplify right side
506,040.12x = 305,910,626,897.70 - Step 5: Solve for x
x = 305,910,626,897.70/506,040.12 - Step 6: Final answer
x = 604,518.52
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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.