Finding the Fourth Proportional to 486,552.30, 729,719.10 and 319,246.80
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Solution
The fourth proportional to 486,552.30, 729,719.10 and 319,246.80 is: 478,798.45
Step by Step Solution
- Step 1: Write the proportion equation
486,552.30 : 729,719.10 = 319,246.80 : x - Step 2: Convert to fraction form
486,552.30/729,719.10 = 319,246.80/x - Step 3: Cross multiply
486,552.30x = 729,719.10 × 319,246.80 - Step 4: Simplify right side
486,552.30x = 232,960,487,573.88 - Step 5: Solve for x
x = 232,960,487,573.88/486,552.30 - Step 6: Final answer
x = 478,798.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.