Finding the Fourth Proportional to 596,581.20, 822,921.12 and 381,646.08
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Solution
The fourth proportional to 596,581.20, 822,921.12 and 381,646.08 is: 526,440.69
Step by Step Solution
- Step 1: Write the proportion equation
596,581.20 : 822,921.12 = 381,646.08 : x - Step 2: Convert to fraction form
596,581.20/822,921.12 = 381,646.08/x - Step 3: Cross multiply
596,581.20x = 822,921.12 × 381,646.08 - Step 4: Simplify right side
596,581.20x = 314,064,619,597.21 - Step 5: Solve for x
x = 314,064,619,597.21/596,581.20 - Step 6: Final answer
x = 526,440.69
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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.