Finding the Fourth Proportional to 1,020,867.99, 1,531,185.34 and 272,972.31
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Solution
The fourth proportional to 1,020,867.99, 1,531,185.34 and 272,972.31 is: 409,427.28
Step by Step Solution
- Step 1: Write the proportion equation
1,020,867.99 : 1,531,185.34 = 272,972.31 : x - Step 2: Convert to fraction form
1,020,867.99/1,531,185.34 = 272,972.31/x - Step 3: Cross multiply
1,020,867.99x = 1,531,185.34 × 272,972.31 - Step 4: Simplify right side
1,020,867.99x = 417,971,201,998.30 - Step 5: Solve for x
x = 417,971,201,998.30/1,020,867.99 - Step 6: Final answer
x = 409,427.28
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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.