Finding the Fourth Proportional to 857,718.72, 1,183,643.28 and 475,735.68
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Solution
The fourth proportional to 857,718.72, 1,183,643.28 and 475,735.68 is: 656,510.49
Step by Step Solution
- Step 1: Write the proportion equation
857,718.72 : 1,183,643.28 = 475,735.68 : x - Step 2: Convert to fraction form
857,718.72/1,183,643.28 = 475,735.68/x - Step 3: Cross multiply
857,718.72x = 1,183,643.28 × 475,735.68 - Step 4: Simplify right side
857,718.72x = 563,101,340,688.23 - Step 5: Solve for x
x = 563,101,340,688.23/857,718.72 - Step 6: Final answer
x = 656,510.49
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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.