Finding the Fourth Proportional to 958,702.18, 1,323,036.70 and 529,009.98
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Solution
The fourth proportional to 958,702.18, 1,323,036.70 and 529,009.98 is: 730,049.05
Step by Step Solution
- Step 1: Write the proportion equation
958,702.18 : 1,323,036.70 = 529,009.98 : x - Step 2: Convert to fraction form
958,702.18/1,323,036.70 = 529,009.98/x - Step 3: Cross multiply
958,702.18x = 1,323,036.70 × 529,009.98 - Step 4: Simplify right side
958,702.18x = 699,899,618,206.27 - Step 5: Solve for x
x = 699,899,618,206.27/958,702.18 - Step 6: Final answer
x = 730,049.05
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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.