Finding the Fourth Proportional to 677,140.06, 933,808.62 and 405,164.74
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Solution
The fourth proportional to 677,140.06, 933,808.62 and 405,164.74 is: 558,741.61
Step by Step Solution
- Step 1: Write the proportion equation
677,140.06 : 933,808.62 = 405,164.74 : x - Step 2: Convert to fraction form
677,140.06/933,808.62 = 405,164.74/x - Step 3: Cross multiply
677,140.06x = 933,808.62 × 405,164.74 - Step 4: Simplify right side
677,140.06x = 378,346,326,732.06 - Step 5: Solve for x
x = 378,346,326,732.06/677,140.06 - Step 6: Final answer
x = 558,741.61
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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.