Finding the Fourth Proportional to 563,953.05, 778,261.19 and 305,830.50
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Solution
The fourth proportional to 563,953.05, 778,261.19 and 305,830.50 is: 422,049.33
Step by Step Solution
- Step 1: Write the proportion equation
563,953.05 : 778,261.19 = 305,830.50 : x - Step 2: Convert to fraction form
563,953.05/778,261.19 = 305,830.50/x - Step 3: Cross multiply
563,953.05x = 778,261.19 × 305,830.50 - Step 4: Simplify right side
563,953.05x = 238,016,005,741.57 - Step 5: Solve for x
x = 238,016,005,741.57/563,953.05 - Step 6: Final answer
x = 422,049.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.