Finding the Fourth Proportional to 628,259.08, 866,998.74 and 341,780.44
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Solution
The fourth proportional to 628,259.08, 866,998.74 and 341,780.44 is: 471,657.67
Step by Step Solution
- Step 1: Write the proportion equation
628,259.08 : 866,998.74 = 341,780.44 : x - Step 2: Convert to fraction form
628,259.08/866,998.74 = 341,780.44/x - Step 3: Cross multiply
628,259.08x = 866,998.74 × 341,780.44 - Step 4: Simplify right side
628,259.08x = 296,323,210,836.65 - Step 5: Solve for x
x = 296,323,210,836.65/628,259.08 - Step 6: Final answer
x = 471,657.67
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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.