Finding the Fourth Proportional to 929,053.98, 1,281,129.93 and 656,997.66
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Solution
The fourth proportional to 929,053.98, 1,281,129.93 and 656,997.66 is: 905,974.66
Step by Step Solution
- Step 1: Write the proportion equation
929,053.98 : 1,281,129.93 = 656,997.66 : x - Step 2: Convert to fraction form
929,053.98/1,281,129.93 = 656,997.66/x - Step 3: Cross multiply
929,053.98x = 1,281,129.93 × 656,997.66 - Step 4: Simplify right side
929,053.98x = 841,699,366,165.96 - Step 5: Solve for x
x = 841,699,366,165.96/929,053.98 - Step 6: Final answer
x = 905,974.66
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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.