Finding the Fourth Proportional to 514,686.76, 710,317.35 and 285,293.75
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Solution
The fourth proportional to 514,686.76, 710,317.35 and 285,293.75 is: 393,732.88
Step by Step Solution
- Step 1: Write the proportion equation
514,686.76 : 710,317.35 = 285,293.75 : x - Step 2: Convert to fraction form
514,686.76/710,317.35 = 285,293.75/x - Step 3: Cross multiply
514,686.76x = 710,317.35 × 285,293.75 - Step 4: Simplify right side
514,686.76x = 202,649,096,919.98 - Step 5: Solve for x
x = 202,649,096,919.98/514,686.76 - Step 6: Final answer
x = 393,732.88
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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.