Finding the Fourth Proportional to 455,374.31, 628,974.52 and 341,163.70
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Solution
The fourth proportional to 455,374.31, 628,974.52 and 341,163.70 is: 471,223.94
Step by Step Solution
- Step 1: Write the proportion equation
455,374.31 : 628,974.52 = 341,163.70 : x - Step 2: Convert to fraction form
455,374.31/628,974.52 = 341,163.70/x - Step 3: Cross multiply
455,374.31x = 628,974.52 × 341,163.70 - Step 4: Simplify right side
455,374.31x = 214,583,272,023.58 - Step 5: Solve for x
x = 214,583,272,023.58/455,374.31 - Step 6: Final answer
x = 471,223.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.