Finding the Fourth Proportional to 774,791.12, 1,069,206.05 and 435,259.37
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Solution
The fourth proportional to 774,791.12, 1,069,206.05 and 435,259.37 is: 600,654.73
Step by Step Solution
- Step 1: Write the proportion equation
774,791.12 : 1,069,206.05 = 435,259.37 : x - Step 2: Convert to fraction form
774,791.12/1,069,206.05 = 435,259.37/x - Step 3: Cross multiply
774,791.12x = 1,069,206.05 × 435,259.37 - Step 4: Simplify right side
774,791.12x = 465,381,944,200.86 - Step 5: Solve for x
x = 465,381,944,200.86/774,791.12 - Step 6: Final answer
x = 600,654.73
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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.