Finding the Fourth Proportional to 527,103.32, 727,403.01 and 285,386.06
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Solution
The fourth proportional to 527,103.32, 727,403.01 and 285,386.06 is: 393,832.99
Step by Step Solution
- Step 1: Write the proportion equation
527,103.32 : 727,403.01 = 285,386.06 : x - Step 2: Convert to fraction form
527,103.32/727,403.01 = 285,386.06/x - Step 3: Cross multiply
527,103.32x = 727,403.01 × 285,386.06 - Step 4: Simplify right side
527,103.32x = 207,590,679,056.04 - Step 5: Solve for x
x = 207,590,679,056.04/527,103.32 - Step 6: Final answer
x = 393,832.99
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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.