Finding the Fourth Proportional to 527,248.31, 727,601.56 and 285,530.14
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Solution
The fourth proportional to 527,248.31, 727,601.56 and 285,530.14 is: 394,030.99
Step by Step Solution
- Step 1: Write the proportion equation
527,248.31 : 727,601.56 = 285,530.14 : x - Step 2: Convert to fraction form
527,248.31/727,601.56 = 285,530.14/x - Step 3: Cross multiply
527,248.31x = 727,601.56 × 285,530.14 - Step 4: Simplify right side
527,248.31x = 207,752,175,291.02 - Step 5: Solve for x
x = 207,752,175,291.02/527,248.31 - Step 6: Final answer
x = 394,030.99
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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.