Finding the Fourth Proportional to 1,283,779.96, 1,925,857.64 and 385,292.70
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Solution
The fourth proportional to 1,283,779.96, 1,925,857.64 and 385,292.70 is: 577,995.39
Step by Step Solution
- Step 1: Write the proportion equation
1,283,779.96 : 1,925,857.64 = 385,292.70 : x - Step 2: Convert to fraction form
1,283,779.96/1,925,857.64 = 385,292.70/x - Step 3: Cross multiply
1,283,779.96x = 1,925,857.64 × 385,292.70 - Step 4: Simplify right side
1,283,779.96x = 742,018,890,894.46 - Step 5: Solve for x
x = 742,018,890,894.46/1,283,779.96 - Step 6: Final answer
x = 577,995.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.