Finding the Fourth Proportional to 985,641.54, 1,360,129.45 and 555,896.02
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Solution
The fourth proportional to 985,641.54, 1,360,129.45 and 555,896.02 is: 767,104.99
Step by Step Solution
- Step 1: Write the proportion equation
985,641.54 : 1,360,129.45 = 555,896.02 : x - Step 2: Convert to fraction form
985,641.54/1,360,129.45 = 555,896.02/x - Step 3: Cross multiply
985,641.54x = 1,360,129.45 × 555,896.02 - Step 4: Simplify right side
985,641.54x = 756,090,547,939.79 - Step 5: Solve for x
x = 756,090,547,939.79/985,641.54 - Step 6: Final answer
x = 767,104.99
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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.