Finding the Fourth Proportional to 776,261.61, 1,163,998.53 and 355,176.63
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Solution
The fourth proportional to 776,261.61, 1,163,998.53 and 355,176.63 is: 532,584.72
Step by Step Solution
- Step 1: Write the proportion equation
776,261.61 : 1,163,998.53 = 355,176.63 : x - Step 2: Convert to fraction form
776,261.61/1,163,998.53 = 355,176.63/x - Step 3: Cross multiply
776,261.61x = 1,163,998.53 × 355,176.63 - Step 4: Simplify right side
776,261.61x = 413,425,075,210.35 - Step 5: Solve for x
x = 413,425,075,210.35/776,261.61 - Step 6: Final answer
x = 532,584.72
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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.