Finding the Fourth Proportional to 502,146.21, 755,934.07 and 457,454.79
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Solution
The fourth proportional to 502,146.21, 755,934.07 and 457,454.79 is: 688,655.32
Step by Step Solution
- Step 1: Write the proportion equation
502,146.21 : 755,934.07 = 457,454.79 : x - Step 2: Convert to fraction form
502,146.21/755,934.07 = 457,454.79/x - Step 3: Cross multiply
502,146.21x = 755,934.07 × 457,454.79 - Step 4: Simplify right side
502,146.21x = 345,805,660,959.79 - Step 5: Solve for x
x = 345,805,660,959.79/502,146.21 - Step 6: Final answer
x = 688,655.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.