Finding the Fourth Proportional to 988,531.29, 1,363,624.19 and 575,021.49
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Solution
The fourth proportional to 988,531.29, 1,363,624.19 and 575,021.49 is: 793,210.32
Step by Step Solution
- Step 1: Write the proportion equation
988,531.29 : 1,363,624.19 = 575,021.49 : x - Step 2: Convert to fraction form
988,531.29/1,363,624.19 = 575,021.49/x - Step 3: Cross multiply
988,531.29x = 1,363,624.19 × 575,021.49 - Step 4: Simplify right side
988,531.29x = 784,113,218,906.71 - Step 5: Solve for x
x = 784,113,218,906.71/988,531.29 - Step 6: Final answer
x = 793,210.32
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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.