Finding the Fourth Proportional to 646,491.97, 968,753.79 and 309,068.85
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Solution
The fourth proportional to 646,491.97, 968,753.79 and 309,068.85 is: 463,132.77
Step by Step Solution
- Step 1: Write the proportion equation
646,491.97 : 968,753.79 = 309,068.85 : x - Step 2: Convert to fraction form
646,491.97/968,753.79 = 309,068.85/x - Step 3: Cross multiply
646,491.97x = 968,753.79 × 309,068.85 - Step 4: Simplify right side
646,491.97x = 299,411,619,808.44 - Step 5: Solve for x
x = 299,411,619,808.44/646,491.97 - Step 6: Final answer
x = 463,132.77
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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.