Finding the Fourth Proportional to 835,655.43, 1,153,275.87 and 473,143.17
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Solution
The fourth proportional to 835,655.43, 1,153,275.87 and 473,143.17 is: 652,977.99
Step by Step Solution
- Step 1: Write the proportion equation
835,655.43 : 1,153,275.87 = 473,143.17 : x - Step 2: Convert to fraction form
835,655.43/1,153,275.87 = 473,143.17/x - Step 3: Cross multiply
835,655.43x = 1,153,275.87 × 473,143.17 - Step 4: Simplify right side
835,655.43x = 545,664,601,016.31 - Step 5: Solve for x
x = 545,664,601,016.31/835,655.43 - Step 6: Final answer
x = 652,977.99
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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.