Finding the Fourth Proportional to 692,053.20, 1,036,913.40 and 336,301.20
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Solution
The fourth proportional to 692,053.20, 1,036,913.40 and 336,301.20 is: 503,884.99
Step by Step Solution
- Step 1: Write the proportion equation
692,053.20 : 1,036,913.40 = 336,301.20 : x - Step 2: Convert to fraction form
692,053.20/1,036,913.40 = 336,301.20/x - Step 3: Cross multiply
692,053.20x = 1,036,913.40 × 336,301.20 - Step 4: Simplify right side
692,053.20x = 348,715,220,716.08 - Step 5: Solve for x
x = 348,715,220,716.08/692,053.20 - Step 6: Final answer
x = 503,884.99
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1.5x scale
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.