Finding the Fourth Proportional to 857,739.35, 1,183,671.74 and 475,756.31
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Solution
The fourth proportional to 857,739.35, 1,183,671.74 and 475,756.31 is: 656,538.95
Step by Step Solution
- Step 1: Write the proportion equation
857,739.35 : 1,183,671.74 = 475,756.31 : x - Step 2: Convert to fraction form
857,739.35/1,183,671.74 = 475,756.31/x - Step 3: Cross multiply
857,739.35x = 1,183,671.74 × 475,756.31 - Step 4: Simplify right side
857,739.35x = 563,139,290,976.54 - Step 5: Solve for x
x = 563,139,290,976.54/857,739.35 - Step 6: Final answer
x = 656,538.95
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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.