Finding the Fourth Proportional to 783,454.86, 1,080,769.74 and 511,681.82
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Solution
The fourth proportional to 783,454.86, 1,080,769.74 and 511,681.82 is: 705,861.00
Step by Step Solution
- Step 1: Write the proportion equation
783,454.86 : 1,080,769.74 = 511,681.82 : x - Step 2: Convert to fraction form
783,454.86/1,080,769.74 = 511,681.82/x - Step 3: Cross multiply
783,454.86x = 1,080,769.74 × 511,681.82 - Step 4: Simplify right side
783,454.86x = 553,010,227,564.13 - Step 5: Solve for x
x = 553,010,227,564.13/783,454.86 - Step 6: Final answer
x = 705,861.00
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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.