Finding the Fourth Proportional to 936,701.21, 1,292,678.99 and 574,055.00
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Solution
The fourth proportional to 936,701.21, 1,292,678.99 and 574,055.00 is: 792,215.09
Step by Step Solution
- Step 1: Write the proportion equation
936,701.21 : 1,292,678.99 = 574,055.00 : x - Step 2: Convert to fraction form
936,701.21/1,292,678.99 = 574,055.00/x - Step 3: Cross multiply
936,701.21x = 1,292,678.99 × 574,055.00 - Step 4: Simplify right side
936,701.21x = 742,068,828,270.78 - Step 5: Solve for x
x = 742,068,828,270.78/936,701.21 - Step 6: Final answer
x = 792,215.09
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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.