Finding the Fourth Proportional to 931,892.68, 1,395,790.10 and 770,135.32
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Solution
The fourth proportional to 931,892.68, 1,395,790.10 and 770,135.32 is: 1,153,509.70
Step by Step Solution
- Step 1: Write the proportion equation
931,892.68 : 1,395,790.10 = 770,135.32 : x - Step 2: Convert to fraction form
931,892.68/1,395,790.10 = 770,135.32/x - Step 3: Cross multiply
931,892.68x = 1,395,790.10 × 770,135.32 - Step 4: Simplify right side
931,892.68x = 1,074,947,244,486.70 - Step 5: Solve for x
x = 1,074,947,244,486.70/931,892.68 - Step 6: Final answer
x = 1,153,509.70
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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.