Finding the Fourth Proportional to 779,129.64, 1,170,567.31 and 736,116.21
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Solution
The fourth proportional to 779,129.64, 1,170,567.31 and 736,116.21 is: 1,105,943.77
Step by Step Solution
- Step 1: Write the proportion equation
779,129.64 : 1,170,567.31 = 736,116.21 : x - Step 2: Convert to fraction form
779,129.64/1,170,567.31 = 736,116.21/x - Step 3: Cross multiply
779,129.64x = 1,170,567.31 × 736,116.21 - Step 4: Simplify right side
779,129.64x = 861,673,564,093.97 - Step 5: Solve for x
x = 861,673,564,093.97/779,129.64 - Step 6: Final answer
x = 1,105,943.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.