Finding the Fourth Proportional to 1,036.08, 1,551.84 and 522
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Solution
The fourth proportional to 1,036.08, 1,551.84 and 522 is: 781.85
Step by Step Solution
- Step 1: Write the proportion equation
1,036.08 : 1,551.84 = 522 : x - Step 2: Convert to fraction form
1,036.08/1,551.84 = 522/x - Step 3: Cross multiply
1,036.08x = 1,551.84 × 522 - Step 4: Simplify right side
1,036.08x = 810,060.48 - Step 5: Solve for x
x = 810,060.48/1,036.08 - Step 6: Final answer
x = 781.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.