Finding the Fourth Proportional to 745,147.33, 1,117,094.05 and 324,106.09
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Solution
The fourth proportional to 745,147.33, 1,117,094.05 and 324,106.09 is: 485,886.44
Step by Step Solution
- Step 1: Write the proportion equation
745,147.33 : 1,117,094.05 = 324,106.09 : x - Step 2: Convert to fraction form
745,147.33/1,117,094.05 = 324,106.09/x - Step 3: Cross multiply
745,147.33x = 1,117,094.05 × 324,106.09 - Step 4: Simplify right side
745,147.33x = 362,056,977,501.76 - Step 5: Solve for x
x = 362,056,977,501.76/745,147.33 - Step 6: Final answer
x = 485,886.44
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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.