Finding the Fourth Proportional to 563,719.40, 777,964.56 and 334,412.45
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Solution
The fourth proportional to 563,719.40, 777,964.56 and 334,412.45 is: 461,508.04
Step by Step Solution
- Step 1: Write the proportion equation
563,719.40 : 777,964.56 = 334,412.45 : x - Step 2: Convert to fraction form
563,719.40/777,964.56 = 334,412.45/x - Step 3: Cross multiply
563,719.40x = 777,964.56 × 334,412.45 - Step 4: Simplify right side
563,719.40x = 260,161,032,850.71 - Step 5: Solve for x
x = 260,161,032,850.71/563,719.40 - Step 6: Final answer
x = 461,508.04
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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.