Finding the Fourth Proportional to 857,739.84, 1,183,686.72 and 475,773.12
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Solution
The fourth proportional to 857,739.84, 1,183,686.72 and 475,773.12 is: 656,570.09
Step by Step Solution
- Step 1: Write the proportion equation
857,739.84 : 1,183,686.72 = 475,773.12 : x - Step 2: Convert to fraction form
857,739.84/1,183,686.72 = 475,773.12/x - Step 3: Cross multiply
857,739.84x = 1,183,686.72 × 475,773.12 - Step 4: Simplify right side
857,739.84x = 563,166,323,876.97 - Step 5: Solve for x
x = 563,166,323,876.97/857,739.84 - Step 6: Final answer
x = 656,570.09
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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.