Finding the Fourth Proportional to 690,702.12, 953,237.16 and 404,205.12
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Solution
The fourth proportional to 690,702.12, 953,237.16 and 404,205.12 is: 557,843.00
Step by Step Solution
- Step 1: Write the proportion equation
690,702.12 : 953,237.16 = 404,205.12 : x - Step 2: Convert to fraction form
690,702.12/953,237.16 = 404,205.12/x - Step 3: Cross multiply
690,702.12x = 953,237.16 × 404,205.12 - Step 4: Simplify right side
690,702.12x = 385,303,340,646.26 - Step 5: Solve for x
x = 385,303,340,646.26/690,702.12 - Step 6: Final answer
x = 557,843.00
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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.