Finding the Fourth Proportional to 563,916.21, 778,245.56 and 322,193.58
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Solution
The fourth proportional to 563,916.21, 778,245.56 and 322,193.58 is: 444,650.67
Step by Step Solution
- Step 1: Write the proportion equation
563,916.21 : 778,245.56 = 322,193.58 : x - Step 2: Convert to fraction form
563,916.21/778,245.56 = 322,193.58/x - Step 3: Cross multiply
563,916.21x = 778,245.56 × 322,193.58 - Step 4: Simplify right side
563,916.21x = 250,745,721,484.54 - Step 5: Solve for x
x = 250,745,721,484.54/563,916.21 - Step 6: Final answer
x = 444,650.67
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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.