Finding the Fourth Proportional to 857,746.84, 1,183,696.38 and 475,780.12
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Solution
The fourth proportional to 857,746.84, 1,183,696.38 and 475,780.12 is: 656,579.75
Step by Step Solution
- Step 1: Write the proportion equation
857,746.84 : 1,183,696.38 = 475,780.12 : x - Step 2: Convert to fraction form
857,746.84/1,183,696.38 = 475,780.12/x - Step 3: Cross multiply
857,746.84x = 1,183,696.38 × 475,780.12 - Step 4: Simplify right side
857,746.84x = 563,179,205,719.97 - Step 5: Solve for x
x = 563,179,205,719.97/857,746.84 - Step 6: Final answer
x = 656,579.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.