Finding the Fourth Proportional to 749,750.21, 1,034,629.55 and 427,564.00
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Solution
The fourth proportional to 749,750.21, 1,034,629.55 and 427,564.00 is: 590,023.65
Step by Step Solution
- Step 1: Write the proportion equation
749,750.21 : 1,034,629.55 = 427,564.00 : x - Step 2: Convert to fraction form
749,750.21/1,034,629.55 = 427,564.00/x - Step 3: Cross multiply
749,750.21x = 1,034,629.55 × 427,564.00 - Step 4: Simplify right side
749,750.21x = 442,370,352,080.08 - Step 5: Solve for x
x = 442,370,352,080.08/749,750.21 - Step 6: Final answer
x = 590,023.65
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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.