Finding the Fourth Proportional to 743,806.68, 1,026,459.99 and 404,275.74
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Solution
The fourth proportional to 743,806.68, 1,026,459.99 and 404,275.74 is: 557,904.20
Step by Step Solution
- Step 1: Write the proportion equation
743,806.68 : 1,026,459.99 = 404,275.74 : x - Step 2: Convert to fraction form
743,806.68/1,026,459.99 = 404,275.74/x - Step 3: Cross multiply
743,806.68x = 1,026,459.99 × 404,275.74 - Step 4: Simplify right side
743,806.68x = 414,972,872,037.64 - Step 5: Solve for x
x = 414,972,872,037.64/743,806.68 - Step 6: Final answer
x = 557,904.20
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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.