Finding the Fourth Proportional to 563,392.17, 776,852.43 and 408,036.21
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Solution
The fourth proportional to 563,392.17, 776,852.43 and 408,036.21 is: 562,634.59
Step by Step Solution
- Step 1: Write the proportion equation
563,392.17 : 776,852.43 = 408,036.21 : x - Step 2: Convert to fraction form
563,392.17/776,852.43 = 408,036.21/x - Step 3: Cross multiply
563,392.17x = 776,852.43 × 408,036.21 - Step 4: Simplify right side
563,392.17x = 316,983,919,294.96 - Step 5: Solve for x
x = 316,983,919,294.96/563,392.17 - Step 6: Final answer
x = 562,634.59
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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.