Finding the Fourth Proportional to 786,368.79, 1,085,554.28 and 592,854.82
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Solution
The fourth proportional to 786,368.79, 1,085,554.28 and 592,854.82 is: 818,415.09
Step by Step Solution
- Step 1: Write the proportion equation
786,368.79 : 1,085,554.28 = 592,854.82 : x - Step 2: Convert to fraction form
786,368.79/1,085,554.28 = 592,854.82/x - Step 3: Cross multiply
786,368.79x = 1,085,554.28 × 592,854.82 - Step 4: Simplify right side
786,368.79x = 643,576,086,037.88 - Step 5: Solve for x
x = 643,576,086,037.88/786,368.79 - Step 6: Final answer
x = 818,415.09
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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.