Finding the Fourth Proportional to 808,307.62, 1,115,491.46 and 440,804.88
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Solution
The fourth proportional to 808,307.62, 1,115,491.46 and 440,804.88 is: 608,325.42
Step by Step Solution
- Step 1: Write the proportion equation
808,307.62 : 1,115,491.46 = 440,804.88 : x - Step 2: Convert to fraction form
808,307.62/1,115,491.46 = 440,804.88/x - Step 3: Cross multiply
808,307.62x = 1,115,491.46 × 440,804.88 - Step 4: Simplify right side
808,307.62x = 491,714,071,384.84 - Step 5: Solve for x
x = 491,714,071,384.84/808,307.62 - Step 6: Final answer
x = 608,325.42
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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.