Finding the Fourth Proportional to 637,197.84, 879,326.28 and 350,711.76
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Solution
The fourth proportional to 637,197.84, 879,326.28 and 350,711.76 is: 483,978.52
Step by Step Solution
- Step 1: Write the proportion equation
637,197.84 : 879,326.28 = 350,711.76 : x - Step 2: Convert to fraction form
637,197.84/879,326.28 = 350,711.76/x - Step 3: Cross multiply
637,197.84x = 879,326.28 × 350,711.76 - Step 4: Simplify right side
637,197.84x = 308,390,067,273.05 - Step 5: Solve for x
x = 308,390,067,273.05/637,197.84 - Step 6: Final answer
x = 483,978.52
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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.