Finding the Fourth Proportional to 724,733.09, 1,086,878.19 and 345,454
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Solution
The fourth proportional to 724,733.09, 1,086,878.19 and 345,454 is: 518,075.45
Step by Step Solution
- Step 1: Write the proportion equation
724,733.09 : 1,086,878.19 = 345,454 : x - Step 2: Convert to fraction form
724,733.09/1,086,878.19 = 345,454/x - Step 3: Cross multiply
724,733.09x = 1,086,878.19 × 345,454 - Step 4: Simplify right side
724,733.09x = 375,466,418,248.26 - Step 5: Solve for x
x = 375,466,418,248.26/724,733.09 - Step 6: Final answer
x = 518,075.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.