Finding the Fourth Proportional to 913,554.18, 1,260,672.48 and 505,656.81
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Solution
The fourth proportional to 913,554.18, 1,260,672.48 and 505,656.81 is: 697,788.53
Step by Step Solution
- Step 1: Write the proportion equation
913,554.18 : 1,260,672.48 = 505,656.81 : x - Step 2: Convert to fraction form
913,554.18/1,260,672.48 = 505,656.81/x - Step 3: Cross multiply
913,554.18x = 1,260,672.48 × 505,656.81 - Step 4: Simplify right side
913,554.18x = 637,467,624,691.59 - Step 5: Solve for x
x = 637,467,624,691.59/913,554.18 - Step 6: Final answer
x = 697,788.53
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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.