Finding the Fourth Proportional to 529,208.24, 730,308.76 and 287,488.84
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Solution
The fourth proportional to 529,208.24, 730,308.76 and 287,488.84 is: 396,735.35
Step by Step Solution
- Step 1: Write the proportion equation
529,208.24 : 730,308.76 = 287,488.84 : x - Step 2: Convert to fraction form
529,208.24/730,308.76 = 287,488.84/x - Step 3: Cross multiply
529,208.24x = 730,308.76 × 287,488.84 - Step 4: Simplify right side
529,208.24x = 209,955,618,254.24 - Step 5: Solve for x
x = 209,955,618,254.24/529,208.24 - Step 6: Final answer
x = 396,735.35
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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.