Finding the Fourth Proportional to 774,661.01, 1,069,132.38 and 435,129.26
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Solution
The fourth proportional to 774,661.01, 1,069,132.38 and 435,129.26 is: 600,534.65
Step by Step Solution
- Step 1: Write the proportion equation
774,661.01 : 1,069,132.38 = 435,129.26 : x - Step 2: Convert to fraction form
774,661.01/1,069,132.38 = 435,129.26/x - Step 3: Cross multiply
774,661.01x = 1,069,132.38 × 435,129.26 - Step 4: Simplify right side
774,661.01x = 465,210,781,351.44 - Step 5: Solve for x
x = 465,210,781,351.44/774,661.01 - Step 6: Final answer
x = 600,534.65
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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.