Finding the Fourth Proportional to 552,780.06, 827,841.35 and 315,403.10
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Solution
The fourth proportional to 552,780.06, 827,841.35 and 315,403.10 is: 472,346.50
Step by Step Solution
- Step 1: Write the proportion equation
552,780.06 : 827,841.35 = 315,403.10 : x - Step 2: Convert to fraction form
552,780.06/827,841.35 = 315,403.10/x - Step 3: Cross multiply
552,780.06x = 827,841.35 × 315,403.10 - Step 4: Simplify right side
552,780.06x = 261,103,728,098.19 - Step 5: Solve for x
x = 261,103,728,098.19/552,780.06 - Step 6: Final answer
x = 472,346.50
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1.5x scale
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.