Finding the Fourth Proportional to 506,296.14, 698,702.67 and 279,949.74
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Solution
The fourth proportional to 506,296.14, 698,702.67 and 279,949.74 is: 386,338.38
Step by Step Solution
- Step 1: Write the proportion equation
506,296.14 : 698,702.67 = 279,949.74 : x - Step 2: Convert to fraction form
506,296.14/698,702.67 = 279,949.74/x - Step 3: Cross multiply
506,296.14x = 698,702.67 × 279,949.74 - Step 4: Simplify right side
506,296.14x = 195,601,630,803.81 - Step 5: Solve for x
x = 195,601,630,803.81/506,296.14 - Step 6: Final answer
x = 386,338.38
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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.