Finding the Fourth Proportional to 817,489.74, 1,224,462.32 and 395,881.50
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Solution
The fourth proportional to 817,489.74, 1,224,462.32 and 395,881.50 is: 592,963.99
Step by Step Solution
- Step 1: Write the proportion equation
817,489.74 : 1,224,462.32 = 395,881.50 : x - Step 2: Convert to fraction form
817,489.74/1,224,462.32 = 395,881.50/x - Step 3: Cross multiply
817,489.74x = 1,224,462.32 × 395,881.50 - Step 4: Simplify right side
817,489.74x = 484,741,979,935.08 - Step 5: Solve for x
x = 484,741,979,935.08/817,489.74 - Step 6: Final answer
x = 592,963.99
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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.