Finding the Fourth Proportional to 529,216.74, 730,320.30 and 287,497.35
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Solution
The fourth proportional to 529,216.74, 730,320.30 and 287,497.35 is: 396,746.99
Step by Step Solution
- Step 1: Write the proportion equation
529,216.74 : 730,320.30 = 287,497.35 : x - Step 2: Convert to fraction form
529,216.74/730,320.30 = 287,497.35/x - Step 3: Cross multiply
529,216.74x = 730,320.30 × 287,497.35 - Step 4: Simplify right side
529,216.74x = 209,965,150,901.21 - Step 5: Solve for x
x = 209,965,150,901.21/529,216.74 - Step 6: Final answer
x = 396,746.99
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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.