Finding the Fourth Proportional to 828,397.31, 1,240,603.05 and 472,331.84
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Solution
The fourth proportional to 828,397.31, 1,240,603.05 and 472,331.84 is: 707,361.45
Step by Step Solution
- Step 1: Write the proportion equation
828,397.31 : 1,240,603.05 = 472,331.84 : x - Step 2: Convert to fraction form
828,397.31/1,240,603.05 = 472,331.84/x - Step 3: Cross multiply
828,397.31x = 1,240,603.05 × 472,331.84 - Step 4: Simplify right side
828,397.31x = 585,976,315,113.10 - Step 5: Solve for x
x = 585,976,315,113.10/828,397.31 - Step 6: Final answer
x = 707,361.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.