Finding the Fourth Proportional to 520,214.13, 717,873.44 and 326,722.95
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Solution
The fourth proportional to 520,214.13, 717,873.44 and 326,722.95 is: 450,863.81
Step by Step Solution
- Step 1: Write the proportion equation
520,214.13 : 717,873.44 = 326,722.95 : x - Step 2: Convert to fraction form
520,214.13/717,873.44 = 326,722.95/x - Step 3: Cross multiply
520,214.13x = 717,873.44 × 326,722.95 - Step 4: Simplify right side
520,214.13x = 234,545,726,409.83 - Step 5: Solve for x
x = 234,545,726,409.83/520,214.13 - Step 6: Final answer
x = 450,863.81
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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.