Finding the Fourth Proportional to 636,277.08, 878,010.16 and 374,590.84
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Solution
The fourth proportional to 636,277.08, 878,010.16 and 374,590.84 is: 516,904.62
Step by Step Solution
- Step 1: Write the proportion equation
636,277.08 : 878,010.16 = 374,590.84 : x - Step 2: Convert to fraction form
636,277.08/878,010.16 = 374,590.84/x - Step 3: Cross multiply
636,277.08x = 878,010.16 × 374,590.84 - Step 4: Simplify right side
636,277.08x = 328,894,563,362.93 - Step 5: Solve for x
x = 328,894,563,362.93/636,277.08 - Step 6: Final answer
x = 516,904.62
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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.