Finding the Fourth Proportional to 610,214.68, 842,431.43 and 416,913.04
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Solution
The fourth proportional to 610,214.68, 842,431.43 and 416,913.04 is: 575,568.99
Step by Step Solution
- Step 1: Write the proportion equation
610,214.68 : 842,431.43 = 416,913.04 : x - Step 2: Convert to fraction form
610,214.68/842,431.43 = 416,913.04/x - Step 3: Cross multiply
610,214.68x = 842,431.43 × 416,913.04 - Step 4: Simplify right side
610,214.68x = 351,220,642,176.13 - Step 5: Solve for x
x = 351,220,642,176.13/610,214.68 - Step 6: Final answer
x = 575,568.99
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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.