Finding the Fourth Proportional to 520,718.76, 718,646.01 and 299,963.67
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Solution
The fourth proportional to 520,718.76, 718,646.01 and 299,963.67 is: 413,981.03
Step by Step Solution
- Step 1: Write the proportion equation
520,718.76 : 718,646.01 = 299,963.67 : x - Step 2: Convert to fraction form
520,718.76/718,646.01 = 299,963.67/x - Step 3: Cross multiply
520,718.76x = 718,646.01 × 299,963.67 - Step 4: Simplify right side
520,718.76x = 215,567,690,997.23 - Step 5: Solve for x
x = 215,567,690,997.23/520,718.76 - Step 6: Final answer
x = 413,981.03
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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.