Finding the Fourth Proportional to 563,876.84, 778,078.34 and 322,175.07
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Solution
The fourth proportional to 563,876.84, 778,078.34 and 322,175.07 is: 444,560.63
Step by Step Solution
- Step 1: Write the proportion equation
563,876.84 : 778,078.34 = 322,175.07 : x - Step 2: Convert to fraction form
563,876.84/778,078.34 = 322,175.07/x - Step 3: Cross multiply
563,876.84x = 778,078.34 × 322,175.07 - Step 4: Simplify right side
563,876.84x = 250,677,443,654.98 - Step 5: Solve for x
x = 250,677,443,654.98/563,876.84 - Step 6: Final answer
x = 444,560.63
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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.