Finding the Fourth Proportional to 916,129.76, 1,374,201.94 and 376,246.94
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Solution
The fourth proportional to 916,129.76, 1,374,201.94 and 376,246.94 is: 564,373.41
Step by Step Solution
- Step 1: Write the proportion equation
916,129.76 : 1,374,201.94 = 376,246.94 : x - Step 2: Convert to fraction form
916,129.76/1,374,201.94 = 376,246.94/x - Step 3: Cross multiply
916,129.76x = 1,374,201.94 × 376,246.94 - Step 4: Simplify right side
916,129.76x = 517,039,274,867.06 - Step 5: Solve for x
x = 517,039,274,867.06/916,129.76 - Step 6: Final answer
x = 564,373.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.