Finding the Fourth Proportional to 526,712.48, 726,957.84 and 297,339.68
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Solution
The fourth proportional to 526,712.48, 726,957.84 and 297,339.68 is: 410,382.17
Step by Step Solution
- Step 1: Write the proportion equation
526,712.48 : 726,957.84 = 297,339.68 : x - Step 2: Convert to fraction form
526,712.48/726,957.84 = 297,339.68/x - Step 3: Cross multiply
526,712.48x = 726,957.84 × 297,339.68 - Step 4: Simplify right side
526,712.48x = 216,153,411,519.09 - Step 5: Solve for x
x = 216,153,411,519.09/526,712.48 - Step 6: Final answer
x = 410,382.17
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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.