Finding the Fourth Proportional to 916,796.18, 1,265,115.42 and 508,865.91
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Solution
The fourth proportional to 916,796.18, 1,265,115.42 and 508,865.91 is: 702,199.82
Step by Step Solution
- Step 1: Write the proportion equation
916,796.18 : 1,265,115.42 = 508,865.91 : x - Step 2: Convert to fraction form
916,796.18/1,265,115.42 = 508,865.91/x - Step 3: Cross multiply
916,796.18x = 1,265,115.42 × 508,865.91 - Step 4: Simplify right side
916,796.18x = 643,774,109,453.33 - Step 5: Solve for x
x = 643,774,109,453.33/916,796.18 - Step 6: Final answer
x = 702,199.82
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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.