Finding the Fourth Proportional to 916,788.06, 1,265,032.64 and 508,893.02
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Solution
The fourth proportional to 916,788.06, 1,265,032.64 and 508,893.02 is: 702,197.50
Step by Step Solution
- Step 1: Write the proportion equation
916,788.06 : 1,265,032.64 = 508,893.02 : x - Step 2: Convert to fraction form
916,788.06/1,265,032.64 = 508,893.02/x - Step 3: Cross multiply
916,788.06x = 1,265,032.64 × 508,893.02 - Step 4: Simplify right side
916,788.06x = 643,766,280,568.17 - Step 5: Solve for x
x = 643,766,280,568.17/916,788.06 - Step 6: Final answer
x = 702,197.50
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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.